Change qt4 rules for linux

Remove Mac OS X specific configure settings.
Merge branch 'master' into linux-gnu

Conflicts:
	qt4/rules.py
Merge branch 'master' into linux-gnu
Merge branch 'master' into linux-gnu
Merge branch 'master' into linux-gnu
Merge branch 'master' into linux-gnu
Merge branch 'master' into linux-gnu
Merge branch 'master' into linux-gnu
Merge branch 'master' into linux-gnu
Merge branch 'master' into linux-gnu
Merge branch 'master' into linux-gnu
Merge branch 'master' into linux-gnu
Merge branch 'master' into linux-gnu
Merge branch 'linux-gnu' of github.com:bjoernricks/kaizen-rules