Make sure that all aggreagate features are initialized #877
Merge pull request #878 from assefay/develop

Make sure that all aggregate features are initialized #877
Fix #864.
Fix failing tests.
warn if age ratios sum up to more than 1. adressing #778

Better text

Properly handle PostProcessorError exceptions. Adresses #778.
This fix allows showing the postprocessing results even if some
postprocessors failed. For the failed postprocessors, a warning is
inserted in the report.

add test for AgePostProcessor

added tests for genderPostprocessor

File renaming

added minimum needs postprocessor test
Merge pull request #882 from mbernasocchi/inasafe-778

handling nicely post processors errors
Fix failing test and green dot.
Merge pull request #881 from akbargumbira/inasafe-864

Fix  #864
Various refactorings regarding PR #881.
Fix wrong raises docstring.
Deleted unused self._size.
Merge pull request #886 from akbargumbira/fix-864-comments

Various refactorings regarding PR 881 comments
Bumped develop version to 2.1.0 beta. Do not merge this change to master until we are ready for release.