Merge pull request #2 from ToBeFree/patch-1

change version number to 2.1.4, add linux64 info

readme.txt

-Here it is! SRB2 v2.1.2 source code!
+Here it is! SRB2 v2.1.4 source code!
 
 
 Win32 with Visual C (6SP6+Processor Pack OR 7)
@@ -58,6 +58,10 @@ Build instructions:
 
 make -C src LINUX=1
 
+Build instructions (64 bit):
+
+make -C src LINUX64=1
+
 Build instructions to build for Wii Linux/SRB2Wii on a PowerPC system,
 follow cross-compiling instructions for cross-compiling on a x86 system: