fixes #484
Merge pull request #485 from latin-language-toolkit/fixformfocus

fixes #484
Use sidepanel layout for landing page demos
Merge pull request #486 from latin-language-toolkit/landing_page_confs

Use sidepanel layout for landing page demos
Add lodash which can be accessed with _.
Add deselect button to tree.
Add tooltip.
Add angular ui utils
Extract tokenSelector directive
Fix wrong merge conflict resolution by deleting marked
Renaming
Display of debugging info
Fix checked logic
Just use one watch instead of many functions
Move selector to left

Tree controls and focus settings have wrong position.
First version of dropdown to select tokens
Update selected item according to selection changes
Hack to place settings and controls on the top right