- Fixed all known problems with temporary files and directoroes

- Command line switches work again (/NCRC and /S)
- GetTempFileName now takes another argument as base directory (default is $TEMP)
- Message boxes work from .onGUIEnd
- Some more optimizations


git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@2739 212acab6-be3b-0410-9dea-997c60f758d6

TODO.txt

@@ -12,8 +12,6 @@ NSIS
 
 * all installer strings should be language strings
 
-* make temp (for compress whole) creation better (and verify it exists)
-
 * move no custom to compiler (custom as just another inst type)
 
 * empty subsections should not show