Update to Tern 0.5 and Acorn 0.4
Load and enable the Angular plugin for Tern.
Fix HTML hinting issues caused by new token types, "error" and "tag error", introduced in CodeMirror xml parser.
Null checking on ctx.token.type before calling indexOf on it.
Standardize the format of nls files (de and root)
Merge pull request #5505 from SAPlayer/lang-fix

Standardize the format of nls files (de and root)
Merge pull request #5489 from adobe/rlim/hint-issue-5343

Fix HTML hinting issues caused by new token types -- "error" and "tag error".
Merge pull request #5481 from adobe/dangoor/5417-angular-completion

Update Tern and Acorn, support completion for Angular