Adds standard type to database
Sets label for standard type in project edit form
Prevent creation of projects without types
Do not show standard type by default
Handles standard type behavior for work packages
Adds missing translations
Fixes specs
Fix cukes
Adds missing WP plural translation
Removes 'none' label for standard type
Merge branch 'feature/rails3' into feature/add_default_type
Fixes spec and adds changelog entry
Created normalized journal schema

Includes renaming of the former journals table and creation of specific
journal tables for each type that acts as journalized.
Fixes tests
Merge branch 'feature/rails3' into feature/add_default_type

Conflicts:
	features/timelines/timeline_view.feature
Disables journalization for certain models
Changes journal model implementation
Adapts AAJ to changed model implementation
Adapts AAJ specs to changed model implementation
Re-activates AAJ models