* Changed completely how workspace's materials TOC works
* Removed TOC from widget and added it to materials view directly
* Placed new TOC on the right side of material flow and added scripts to
prevent it from disappearing when scrolling content
* Modified scripts that are responsible to handle workspace dock's
functionality --> should be more efficient now resource wise
* Unified few styles regarding TOC in workspace, reading and management
views
* Fixed workspace header (h1) styles
Merge branch 'FTR-44_material-editor' of https://github.com/otavanopisto/muikku.git into FTR-44_material-editor
* Adjusted section margins so everythin in in line with each other