Fix failed test in impact_function_manager/metadata.
PEP8.
Fix test in test_dock due to raster clipping.
Update controller value for test related to clip raster.
Merge pull request #947 from ismailsunni/fix_test_impact_function

Fix test impact function
Check if radii on volcano buffer are monotonically increasing.
Merge pull request #948 from akbargumbira/volcano_issues

Fix Ole
Use different target field if there's similar name on hazard layer for volcano population.
Fix #956 Fix Typo Please - /develop/safe_qgis/tools/wizard_dialog.py
Merge pull request #957 from timlinux/develop

Fix #956 Fix Typo Please - /develop/safe_qgis/tools/wizard_dialog.py
Fix #954 Fix - Keyword Wizard - Exposure Data - Population - Step 3
Merge pull request #958 from timlinux/develop

Fix #954 Fix - Keyword Wizard - Exposure Data - Population - Step 3
Merge branch 'develop' of https://github.com/AIFDR/inasafe into data_driven_age
Add metadata value for 'all' hazard for fixing #952.
Fix weak warning.
Update metadata for mmi depth.
Add converter dictionary.
Add coverter to old keywords and unittest.
pep8 fix
Fix pylint and pep8 errors (all resolved now).