replaced Q_WS_WIN with Q_OS_WIN
Merge pull request #225 from TheOneRing/Q_WS_WIN_to_Q_OS_WIN

replaced Q_WS_WIN with Q_OS_WIN
Use Q_ASSERT_X to print error message
Silence warning
Pull a bunch of code out of HatchetAccount and into HatchetHelpers; make some things more modular; prepare for the Kiva/Dreamcatcher split