Update text documentation in preparation for 2.8.0
Update running-from-source page
Minor tweaks to running-from-source page
Added homebrew instructions for OS X
minor typo's
Merge pull request #21 from dschreij/master

Added OS X homebrew install instructions
Fix invalid URL in source page
Update development info
Update publications
Add Christmas notification
Add common-items page
- First pass at item-specific help page
- Rename plug-ins installation page
First pass at included source-code-structure description
Update for 2014
Add architecture page
Add auto-generated archictecture list
Update publications and notification
Add Cambridge tutorial (hidden)
edit and 'unhide' Cambridge tutorial
slightly updated information on edwin