Fix typos and update licence date
Cleanup of padrino admin file
Cleanup of access_control file
Cleanup of account templates
Cleanup of actions file
Cleanup of admin_app file
Cleanup of admin_page file
Cleanup of orm file
Cleanup of authentication_helpers file
Cleanup of view_helpers file
Cleanup of crypt file
Small typo fix for access_control file
Fix of small typos
Merge branch 'padrino-admin-documentation-cleanup' of git://github.com/matthias-guenther/padrino-framework

Conflicts:
	padrino-admin/lib/padrino-admin/helpers/authentication_helpers.rb
	padrino-admin/lib/padrino-admin/utils/crypt.rb