Added image compression logic
Compressed all images
Merge pull request #1274 from AIFDR/develop

Merge develop to master
Fix for failing tests on master with ub 14.04
Better fix for scenario extents check
Added dockerfile for testing
Fix for padang quake small test - expect different outputs based on QGIS version change
Fix for test_run_tsunami_building_impact_function - expect different results based on QGIS version change
Merge pull request #1280 from timlinux/test-fixes

Test fixes
Merge remote-tracking branch 'timlinux/compressed-images' into develop
Dont use degraded wizard icone image
Fix for messy looking logo in header bar of docs
Merge pull request #1269 from timlinux/compressed-images

Compressed images
#1188 Delete scenario files under files folder. We can access them from data.inasafe.org