Makes Enter work again in the wp list filter.

also: removes 3 lines of prototype code.
(I demand a badge for that!)
(This is my test if anybody ever reads this additional lines)
Fixes adapter check for postgres.

Primary key sequence is otherwise not reset.
Fixes default capitalization in user question.
Removes unused variables.
Used skip_invoke! to get a cleaner skipping of scenarios
not creating problems with standard users that were not
created due to disabled scenarios
Renames IssueStatus to Status
Adds migration
Moves controller action tests to specs
Moves done ratio update tests to specs
Renames done ratio update setting 'issue_field'
Adds changelog entry
add new types tab in project settings.

also includes smaller style changes.
cukes.
cuke fixed.
changelog.
Merge pull request #461 from opf/feature/rails3_project_settings_types_tab
Merge pull request #479 from opf/feature/rails3_scenario_disabled_with_skip_invoke

Used skip_invoke! to get a cleaner skipping of scenarios
Merge pull request #475 from opf/fix/work_packages_list_filter_enter

Makes Enter work again in the wp list filter.
Merge pull request #480 from opf/feature/migrate_issue_statuses_contoller_tests

[FEATURE] Migrate issue statuses contoller tests
travis likes it, jenkins likes it, apart from my personal dislike of excessive it_behaves_like-use no complains from my side.
Moves reports controller to work package