Merge pull request #2 from AIFDR/develop

Merge upstream
Use QTextBrowser for Supporter tabs and set as external link.
Merge branch 'develop' of github.com:akbargumbira/inasafe into develop
Changed the name of QTextBrowser to supporters_text.
Merge branch 'develop' of https://github.com/AIFDR/inasafe into data_driven_age
screenshots update
[HOTFIX] Fix #855
Merge pull request #856 from akbargumbira/inasafe-855

[HOTFIX] Fix #855
Merge branch 'develop' of https://github.com/AIFDR/inasafe into data_driven_age
#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 into data_driven_age