non-square images are allowed now

modified:   trade/app/models/module/item.rb
modified:   trade/app/models/module/user.rb
modified:   trade/app/public/css/layout.css
fixed tests (auction was missing)

Intermezzo didn't fix tests
height limitation also in middle and big picture box

modified:   trade/app/public/css/layout.css
merged all_items.haml and search_result.haml in items.haml
deleted unnecessary files and code
Started working on error handling in auction class instead of controller.
	modified:   trade/app/models/module/auction.rb
Logic for sorting a list

Use `Item.search("bla", @owner, {:order_by => 'name', :order_direction
=> 'asc'})` or `Item.get_all("", {:order_by => 'owner', :order_direction
=> 'desc'})` or `Auction.all_auctions({:order_by => 'price',
:order_direction => 'asc'})`
Finished Rework of error handling of creating and editing auctions.
Starting to work on buying auctions...
	modified:   trade/app/controllers/auction_control.rb
	modified:   trade/app/models/module/auction.rb
	modified:   trade/app/models/module/item.rb
Tests for auctions, copied from our implementation at team6
Rework on auction still running... Some issues still now with our holding class.

	modified:   trade/app/app.rb
	modified:   trade/app/models/module/auction.rb
	modified:   trade/app/models/module/user.rb
	modified:   trade/app/models/utility/holding.rb
	modified:   trade/app/models/utility/mailer.rb
Merge branch 'auction_tests' into production
merged the views for search and the store. You can now start a search directly from the store page
	modified:   trade/app/views/items.haml
	deleted:    trade/app/views/search.haml
added a set of quick links to the home page

	modified:   trade/app/public/css/layout.css
	new file:   trade/app/public/images/getting_started/additem.png
	new file:   trade/app/public/images/getting_started/profile.png
	new file:   trade/app/public/images/getting_started/store.png
	new file:   trade/app/public/images/getting_started/youritems.png
	modified:   trade/app/views/home.haml
fixed some embarassing typos in the icons for the quick links

	modified:   trade/app/public/images/getting_started/additem.png
	modified:   trade/app/public/images/getting_started/profile.png
Moved code concerning trades from user class to new Trader superclass.
First version of organization class.
Take a look at the ToDo notes.
	new file:   trade/app/models/module/organization.rb
	renamed:    trade/app/models/module/user.rb -> trade/app/models/module/trader.rb
	modified:   trade/app/models/module/user.rb
First logic for organizations. First organization tests.
	modified:   trade/app/models/module/organization.rb
	modified:   trade/app/models/module/trader.rb
	modified:   trade/app/models/module/user.rb
	new file:   trade/test/organization_test.rb
Fixed auction problem. Auction-items are now bought correctly after the auction expires.
Sheduler checks now every 0.5s for ended auctions.

	modified:   trade/app/app.rb
	modified:   trade/app/models/module/auction.rb
	modified:   trade/app/models/module/organization.rb
	modified:   trade/test/organization_test.rb
users can create organizations, but nor yet edit them. views still need to be done. an organization is still too close to beeing a user.
fixing last commit

The if-line is still needed, if I'm right?
Handling for Admin and User-Lists