#832 Using compiled resource on impact merge tools.
Fix map_qrc_to_file function.
Merge pull request #860 from akbargumbira/inasafe-832

Using compiled resource on impact merge tools.
Use non-abbreviated variable name.
Rework the function.
Merge pull request #861 from akbargumbira/fix-map-qrc-to-file

Fix map_qrc_to_file function.
Merge branch 'develop' of https://github.com/AIFDR/inasafe