Removed contextual filter for activity feed on front page.
Backend UI work.

Backend work settings.
Style work on node forms.
Advanced text format.
Allow filtered html format on wiki body field.
Edit node styling.
Preview node basic style and layout work.
Wiki image field and some other settings.
Wiki field settings.
Added missing field.
Resolved conflicts when both me and calletuvesson made changes in the same file.
Fixed merge mistake.
Wiki book navigation added, Wiki tree added to right column and template file added (see description)

We added a template file so that we could be able to control the weighting of Book navi and comments. For some reason, comments were always printed on top.
Wiki navigation styling.
Merge branch 'refs/heads/master' into dev-ess-robertmagnusson