Merge pull request #1018 from assefay/inasafe

---
Show green rubber band representing what the next analysis extent will be.
Merge remote-tracking branch 'origin/develop' into develop
Added button to toggle rubber bands. Needs translation!
Fix for rubber band not showing on first load of QGIS
Merge pull request #1031 from ismailsunni/fix_tests

Fix tests
Resolved merge conflict
Resolved merge conflicts
Merge pull request #1020 from timlinux/develop

Show extent preview for next analysis so you can see what effective coverage you have
[Realtime] Refactor shakegrid to safe_qgis package, clear temp files in inasafe_data folder.
Merge pull request #1032 from akbargumbira/realtime_2.1

[Realtime] Refactor shakegrid to safe_qgis package, clear temp files in ...
Make test pass #1030 and pep8.
Merge remote-tracking branch 'origin/develop' into fix_tests