* Minor cleanup of SCons files

- cleanup of boolean usage - use True and False now instead of 'true'/'false' or 0/1
- changed SConscripts accordingly

intern/elbeem/SConscript

@@ -7,7 +7,7 @@ sources = env.Glob('intern/*.cpp')
 
 defs = 'NOGUI ELBEEM_BLENDER=1'
 
-if env['WITH_BF_OPENMP'] == 1:
+if env['WITH_BF_OPENMP']:
     defs += ' PARALLEL'
 
 if env['OURPLATFORM']=='win32-vc':