started with model tests. to be continued.
more tests
more!
again
tried to define most test cases in controller tests. still a lot of work to do.
create all model and controller test classes and defined some more test cases.
model test coverage should be pretty high now. controller tests pending.
merged master into my branch.
Revert "merged master into my branch."

This reverts commit d8927d646950f9440a0e87fc8c3c8e661932af14.
Merge branch 'master' into tests_oli
fixed a test
Added some more model tests, added some comments for methods
Merge branch 'master' into tests_oli

Conflicts:
	app/models/information_type_decorator.rb
	app/models/scope.rb
fixed some tests
minor fix
Merge branch 'master' into tests_oli