LB-1717 Load more button on top posts
LB-1724 Post model updates for testing

Refactor code parts like
  annotation management
  date injection
so they will be clear and easy to test.
Add missing functionality like:
  https fix
  servers injection
  google items
  servers.backend support.
LB-1591 Unit test post model
LB-1725 nodejs-dev.sourcefabric.org is down

Sometimes blog isn't having Language.Code in Xfilter.
Test this before if not go to fallback.
Merge pull request #146 from nistormihai/master

Post model test
LB-1726 Re-factor blog model.

Re-factor blog model with clear pars functionality
LB-1590 Unit test blog model.

Added polling testing
Merge pull request #148 from nistormihai/blog-model-test

Blog model test
Merge pull request #147 from nistormihai/post-model-test

Post model test and post model updates.
Merge pull request #145 from vladnicoara/top-posts-load-more

LB-1717 Load more button on top posts