more PEP8 happines
add test for Qt translation
rename translation test, as it now tests not only safe translations, but
also Qt ones
fix #669
fix #698
Merge branch 'master' of github.com:AIFDR/inasafe
fixing pep and lint.
now quicktest runs with just 2 issues:
 - safe_qgis.ui.impact_merge_dialog_base is missing
 - manokwari_earthquake_scenario.tif (Checksum = 1889808562):  LICENSE FILE NOT VALID
REASON: Bad checksum (CRC).
fix failures on my 13.04_64
moved import qgis in safe_qgis.__init__ so it is always called and there is 
no need to manually import it in the tests