Fixed a problem where portal render style could not be set for the Eternity Engine game configuration

Added ability to enable/disable controls in the UDMF map element editing dialogs based on UDMF fields specified in the game configurations (#953)

Added: proper GUI tab for color-related sector properties. The tab now hosts Doom64 lighting as well as old color-related things (floor/ceiling glow, light color, fade color and desaturation).

Internal, build tools: use origin/master to get commits count and current hash instead of local master.

Added, Sector Edit window, UDMF: added UI support for "floor_reflect", "ceiling_reflect", "floorglowcolor", "floorglowheight", "ceilingglowcolor", "ceilingglowheight" and "fogdensity" UDMF properties.
Updated ZDoom ACC.

Added, Textures Browser: redesigned textures list. Textures preview size can now be changed from the Textures Browser window. Folders are now shown in the textures list.
Fixed, Script Editor: Find and Replace window now sets keyboard focus to the input textbox when opening the window/switching between tabs.
Fixed, Nodes Viewer mode: SEGS overflows were not handled, causing a crash. Also extended SEGS limit is now used.
Updated ZDoom_DECORATE.cfg (A_SetSize).

Updated ZDoom_DECORATE.cfg.
Updated documentation ("Game Configuration - Sectors Settings" page).

Added: some numeric text inputs now support expressions (e.g. (23+15)*1.5). - inspired by https://www.doomworld.com/vb/doom-editing/91089-gzdoombuilder-patch-expression-evaluation-for-sector-heights/
Fixed, Game Configurations window: fixed a crash when switching to a game engine without the file path using the "Engine" drop-down.

Fixed: stored windows positions were not checked against current screen bounds, which may have resulted in windows being shown off-screen.

Added, DECORATE parser: damage types are now parsed.
Added: the editor now reports duplicate textures/flats/patches/sprites/colormaps/voxels in the loaded wads.
Added, all text parsers: added #region/#endregion support.
Added TERRAIN parser.
Added, Script Editor: added special handling for DECORATE special comments.
Added, Sector Edit window, UDMF: Soundsequence value was setup incorrectly when showing the window for multiple sectors with mixed Soundsequence value. 
Fixed, Map Options window: "Strictly load patches between P_START and P_END" was not applied when applying the changes.
Fixed, MAPINFO parser: MapInfo should be treated as defined when a map MAPINFO block corresponding to current map is encountered even if it doesn't define any properties recognized by the editor.
Fixed, all text parsers: in some cases error line was calculated incorrectly when reporting an error detected by a text parser.
Cosmetic: changed ' to " in the rest of Error and Warning messages.
Internal: added text resource tracking.
Updated ZDoom_DECORATE.cfg.
Updated documentation ("Game Configuration - Basic Settings" page).

Visual mode: fog distance calculation is now much closer to GZDoom one.
Visual mode: thing brightness calculation when a thing is affected by floor glow is now much closer to GZDoom one.
Linedef edit window, UDMF: added "Reset front/back brightness" buttons.
Sector edit window, UDMF: added "Reset ceiling/floor brightness" buttons.
Internal, Visual mode, Things mode: persistent event lines are now updated only when map objects are changed instead of doing it on every display redraw.
Internal: improved Dictionary lookup times when using map objects and textures as keys.
Internal: added "Release + Profiler" solution configuration.
Updated ZDoom_ACS.cfg (Warp).

UDMF: implemented 'moreids' handling. Currently this includes the core stuff, new TagsPicker control in Edit Sector/Linedef windows and updated Sector/Linedef Info panels.

Sectors, Linedefs, Things modes: comment icons for appropriate map elements with comments are now rendered in these modes. This can be disabled using either the new "Toggle Comments" action, "View -> Show Comments" menu item, or "Show Comments" button on the main toolbar.

Sector Edit Form, UDMF: Sound Sequence selector is now a drop-down populated by values parsed from SNDSEQ.
Documentation: updated "(G)ZDoom text lumps support" page.
Updated udmf_zdoom.txt.

Visual mode: added support for "Transfer Floor Brightness" (210) effect.
Visual mode: added support for "Transfer Ceiling Brightness" (211) effect.
Visual mode: changed the way thing brightness is calculated. Should be closer to GZDoom now.
Sector Edit Form: you can now enter "++" or "--" into "Height Offset" input to raise or lower sectors by their height.
Cosmetic fix in ZDoom_linedefs.cfg.

Error Check form: number of selected items is now shown in the window's title.
Error Check form: fixed slowdowns when trying to select many (like 1000) results at once.

High-DPI: fixed alignment issues in Sector, Thing, Linedef and Vertex Edit Forms, also in Open Map Options and Map Options Forms.
Changed: Thing Browser Form is now resizeable.
Changed: made default Texture Browser Form size smalled, so it properly fits the screen when using low display resolution.

Fixed: PairedFloatControl had incorrect initial link icon.
Internal, AngleControl: rewritten AngleChanged event so it behaves like the rest of custom events.
Updated GZDB icon.

Thing, Sector, Linedef edit forms, UDMF: fixed more cases when missing game configuration blocks crashed the forms.
Thing and Sector edit forms, UDMF: fixed some minor layout issues.

Fixed, Texture Browser Form: well, I broke "Tab" key functionality again (in previous commit)...
Maintenance: changed curly braces style to match DB2 one (hopefully not breaking anything in the process...).
Maintenance: changed private method names casing to match DB2 one.

Added long texture names support (enabled when "longtexturenames" game configuration property is set to true and "Use long texture names" check box is checked in Map Options).
Open Map in Current WAD: resources are now reloaded when current and target map's resources don't match.
Added some boilerplate to UniversalParser and PK3FileImage.
Internal: ImageSelectorControl now has "UsePreviews" property.
Internal: added ConfigurablePictureBox.
Updated ZDoom_DECORATE.cfg.

Changed FormBorderStyle from FixedToolWindow to FixedDialog. GZDB should no longer disappear from the alt-tab list when a child form is opened.

Visual mode: "Lower/Raise Floor/Ceiling" actions now work on surfaces with sector slopes.
Cosmetic: numeric textboxes, which support relative values, now have differently colored text and a tooltip.
Internal: renamed Sector.CeilingSlopeOffset to Sector.CeilSlopeOffset, Sector.CeilingSlope to Sector.CeilSlope to match their names with similar sector properties.

Sector Edit Form (UDMF): sector brightness value was processed incorrectly when relative value was entered.
Internal: added "ButtonStepsWrapAround" property to ButtonsNumericTextbox.
Internal, SectorEditFormUDMF: more changes to Slopes tab. Still not operational... 

Sector Edit Form: added "height offset" input. It can be used to change floor and ceiling height by given value. Also added some tooltips.

Internal, Edit Sectors form: more changes to "Slopes" tab logic. It's still incomplete...

Fixed: MapSet.GetSectorByCoordinates() returned "false" in some cases when a given coordinate was on top of sector's vertex.
Internal: UDMF sector slopes and offsets are no longer stored in sector.Fields. Use sector.FloorSlope, sector.FloorSlopeOffset, sector.CeilingSlope and sector.CeilingSlopeOffset.

Tag Selector: tags can now be set relatively using "++N" and "--N" syntax.