Merge pull request #40 from efolio/master

fix(directive): fix directive's interpolation content
fix(build): add builded versions
feat(provider): add reInit method to force i18n to reload (and fetch translations)
Merge pull request #46 from efolio/reinit

add reinit
fix(directive): trim key in order to handle complex ones that would need indentation
Merge pull request #45 from efolio/trim-key

Trim key