[Refactor] Walk through safe_common, leave green dots.
[Refactor] Add more rich in serialize and load_dictionary.
[Refactor] Add unit test for resource parameter and fix functionality.
Merge branch 'safe_refactor' of github.com:akbargumbira/inasafe into safe_refactor
Merge remote-tracking branch 'akbar/safe_refactor' into safe_refactor