bitcoin/bitcoin — pull request #1265 by laanwj (2012-05-12 07:30:58+00:00)
Title: Speed up build in Qt creator in common case

- Generate *.qm only when needed (and when qmake is run), this avoids a long qrc compile and link step every time
- Generate build.h every time, but only trigger link when it changed (like makefile.unix)