Independent scrollbars for sidepanel and main-body
Border for tree and drawing graph more centered

Adds a simple translate transform on the g element, so that it's not
attached to the border at the canvas on startup.
Change template handling in dependencyTree

Very important change, check the long comment that describes this.
Delete obsolete stuff for tree settings panel
Inline additional tree stuff in depTree template

Makes use of the new template handling inside the dependencyTree
directive. Very useful.
Reword settings panel and move it to a template

Much easier to handle the HTML from within an HTML file...
Add css class for hover animation on pure text
Use childScope in sentenceList

Very dangerous. It was reusing its parent scope before - others do this
as well. We had a variable clash here, where the badly named n for
navigator was overridde with n as in notifier...
HACK - make main-body unscrollable

The tree canvas keeps overflowing the main-body and adds an unnecessary
scrollbar to it.
Generally we want scroll functionality in the main-body so we will have
to investigate this further. In a treebanking only environment we won't
have a need for such a scrollbar though - for now we can just disable
scrollability safely and no one will notice...
Merge pull request #222 from latin-language-toolkit/independent_scroll

Independent scrollbar(s), styling of dependency Tree, bugfix in sentenceList