docs(translateDirective): adds docs for custom translate-value-* attributes
Merge pull request #334 from PascalPrecht/docs-directive

docs(translateDirective): adds docs for custom translate-value-* attributes
docs($translate): updates docs due to sync -> async

- also updates and adds hints on why 2.0 relies on `$rootScope`
  for broadcasting.
docs(events): updates events docs due to breaking change

also does some formatting to make this page look a bit nicer
feat($translate) dynamic fallback language setting at runtime
feat($translate) fallback language starting point setter
chore(config) change gitignore to ignore IDEA profile settings
docs(translateDirective): adds German docs for custom translate-value-* attributes
Merge pull request #335 from tspaeth/doc-updates-20

docs(translateDirective): adds German docs for custom translate-value-* ...
docs($translate): adds german docs for async $translate service
Merge pull request #329 from tspaeth/canary2014

changing fallback languages at runtime
docs($translate): fixes ngdoc annotation
chore(grunt): prepare doc generation to point to right files
docs($translate): documents determinePreferredLanguage method
docs(*): style tuning