Merge pull request #289 from tspaeth/canary2014

fix typo
fix like-link typo
Merge pull request #294 from dvberkel/like-link-typo-fix

fix like-link typo
fix advatage-advantage typo
Merge pull request #295 from dvberkel/advatage-advantage-typo-fix

fix advatage-advantage typo
docs(guide/async-loading): fix typo $rootProvider->$rootScope

Fix typo in example of translations refresh on event emit
Merge pull request #297 from DWand/docs-fix-typo

docs(guide/async-loading): fix typo $rootProvider->$rootScope
fix(): fix npe introduced in 4939424a30 (#281)

fixes #298
fix(): avoid calls with empty translationId (sub issue of #298)
Merge pull request #299 from knalli/bugfix/trim-fix

fix(): fix npe introduced in 4939424a30 (#281)
fix(demo): fix server routes + add index page

Fixes error in server routes definition.
Also adds an index page to show available demos, because demo files have complicated names
Merge pull request #308 from DWand/fix-demos

fix(demo): fix server routes + add index page
extended demo tests