Add new step on wizard.
Add wizard_dialog_base.py to Makefile and compile it.
Change object name.
Set max value and step of combo box.
Almost done, needs codes for behaviour.
Add behaviour for wizard.
Pep8.
Elderly to elder.
Merge with origin/develop.
Merge pull request #986 from akbargumbira/develop

Update Translations.
Make test package builder build packages from develop branch by default
Merge pull request #987 from timlinux/develop

Make test package builder build packages from develop branch by default
Add description for units.
for #980
Merge with inasafe/develop.
Add translations for #959. Verified that the translations appear in UI.
For tooltip on source stepd due to #961.
Change classes for the impact layer.
Improvement on creating class.
Fix typo.