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
Fixes tests
Merge branch 'feature/rails3' into feature/add_default_type

Conflicts:
	features/timelines/timeline_view.feature
renames link_to_issue to link_to_work_package
lets links on issue#index point to work_package#show
adapts path to work package in timelines
unifies activity across work packages

This also changes back acts_as_activity_provider from using joins to includes. Joins do not eager load which is required for avoiding requests on activity rendering
extends link_to_work_package to replace link_to_planning_element
moved, fixed and shortened  work_package link helper