Cleanup, updated TODO, fixed DIVs

- Cleanup and added comments to some pages
- Updated Developer Guide
- Updated TODO with current status
- Fixed DIVs in sidebar
Merge remote-tracking branch 'origin/fraenzi-branch' into simon-branch

Conflicts:
	Webshop/webroot/checkout.php
Updated comments and dev guide
Merge remote-tracking branch 'origin/fraenzi-branch' into simon-branch

Conflicts:
	Webshop/webroot/checkout.php
Updated Developer Guide
Updated Developer Guide with DB example
Updated documentation (dev guide, README, db description)
Updated documentation (dev guide, readme)
Merge remote-tracking branch 'origin/fraenzi-branch' into simon-branch
Small bugfix and added order to admin page
Merge remote-tracking branch 'origin/simon-documentation' into simon-branch
Merge branch 'master' of git@github.com:simonkrenger/ch.bfh.bti7054.w2013.q.webshop.git into fraenzi-branch
Merge remote-tracking branch 'origin/fraenzi-branch' into simon-branch
Updated documentation and removed some unused functions
Various small bugfixes

- Removed clearing of shoppingcart (for printing order)
- Added GET variable 'order_id' to 'printorder' link
- Fixed removed function 'getProductInformation' in ShoppingCart
- Fixed encoding problems in 'print_order' function
Fixed order PDF to read info from DB
Merge branch 'master' of git@github.com:simonkrenger/ch.bfh.bti7054.w2013.q.webshop.git into fraenzi-branch
merge commit