Merge branch 'release/v0.2.1'
Merge branch 'release/v0.2.1'
Merge branch 'release/v0.2.2'
Merge branch 'release/v0.2.3'
Merge branch 'release/v0.3.0'
Update README.md

Add social plugin directives demo
Merge branch 'master' into develop
Rewrite $FBProvider test spec
Merge branch 'feature/test-refine' into develop