Qmake: fixed linux pro files issues in generators.
Merge pull request #23 from sergey-shambir/master

Qmake: fixed linux pro files issues in generators.
Replaced Q3FileDialog with QFileDialog for better look&feel on Ubuntu

Also fixed unused variable warning.
Merge pull request #25 from sergey-shambir/qt4_dialogs

Replaced Q3FileDialog with QFileDialog for better look&feel on Ubuntu
this SHOULD fix close problem...
Merge remote-tracking branch 'upstream/master'