Redesign of area edit

Did some changes to the design
Added the changelog to the startpage
Updated after comments
Merge pull request #123 from nilsi/changed_styles_of_area_edit

Redesign of area edit
Changed the paragraphs of the about text and updated version
Merge pull request #124 from fredrikpersson/descriptiontext

Changed the paragraphs of the about text and updated version
Aligned divs on main page for small windows
Added min-width for the area container
Truncating long area names
Fixed indentation in last commit
Decreased width of divs a few pixels to fit lower resolutions
Merge pull request #125 from fredrikpersson/div-width

Aligned divs on main page for small windows
Added link to github from the about text
Merge pull request #126 from fredrikpersson/link

Added link to github from the about text
Several fixes for push-messages. Several messages can now be sent in one push.
Merge branch 'data-push' of https://github.com/ChristofferL/BacklogTool into data-push
Fix for archiving themes