speed improvements.
changelog merge corrected.
new datepicker.
hide datepicker.
remove all old files.
changelog.
blur input field. remove calendar.js requirement.
Merge pull request #410 from opf/fix/timelines_speed
fix language selection bug.
Merge pull request #432 from opf/feature/rails3_new_datepicker

new datepicker.
new version; updated changelog
Renames settings
Fixes tests
Adds settings migration
Adds changelog entry
fixes translation
Merge pull request #446 from opf/migration/settings

[MIGRATION] Settings
Merge branch 'feature/rails3' into migration/issue_relations

Conflicts:
	app/models/project.rb
	app/models/relation.rb
	doc/CHANGELOG.md