Fix dev mode: hljs is now always minified

There is no normal version of hljs.
Remove settings-trigger in dep_tree/settings
Change icons compact and widen to align better with focus icnos
Merge pull request #488 from latin-language-toolkit/remove-tree-settings-wheel-icon

Remove tree settings wheel icon and replace symbols
Obtain angular-highlightjs through bower

Closes #489
Add an animation to the list of selected tokens
Make token list in search deselectable
Add hover effect for search result list
Merge pull request #492 from latin-language-toolkit/found_tokens

Updates 'Found token' list in search
Fix path of angular-highlightjs in karma paths
Use idHandler to get right root node id
Use sentence Id to infer the token Id instead of another token Id
Rename sId to sentenceId.
Add specs for idHandler.getId
Fix rootToken declaration in dependencyTree
Disallow alt and ctrl key for foreign input
Merge pull request #490 from latin-language-toolkit/fix-to-root

Fix 'to root' context menu functionality. #457
Merge pull request #482 from latin-language-toolkit/disallow_modifier

Disallow alt and ctrl key for foreign input
Add angular-local-storage through bower
Add LocalStorageModule and configure it