use redmine's built in plugin configuration
did some stuff
resync with master
add some tests! refs #7
fix running tests
REALLY fix tests
refactor IssuePatch and init.rb and use new settings
remove unused custom_field_patch.rb
fix line lengths
fix issues show view hook

- use new settings
- move logic out of view
- general refactoring
- add a (failing) test
- better error when issue custom fields are not set up
add better explanations in release_note_test.rb
add issue patch test
Merge remote-tracking branch 'origin/refactoring' into refactoring
fix model tests
Merge branch 'master' into refactoring
remove unnecessary 'require yaml'
fix functional test
add release notes settings fixtures, and fix error test
rename issues_controller_test.rb since it isn't really testing issues controller
fix syntax error