fix compilation on Xcode 4.5.2
- upgraded to Xcode 3.2 format
- discarded ppc, pre 10.6 support
- changed compiler to Xcode default (LLVM for now)
- added .gitignore entries for Xcode files which are not suitable to commit
good-bye compatibility 2.8
disabled somewhat troublesome stack walker
Xcode 4.5.2 (32bit) compilation success
- added missing files to xcodeproj (text measure.cpp, textmeasurecmn.cpp, xmlreshandler.cpp)
- added missing include sir (scintilla/lexlib)
- fixed linker error by updated QuickTime -> QTKit