include locale in cache key
prepare for 1.4.2 release
Merge pull request #123 from screenconcept/hotfix/fix_localized_page_cache

Hotfix/fix localized page cache
prepare specs
add migration
include new attribute in page form
update disable fields in page form
add validation for new redirect_url field
create migration to update redirect_pages
update link method to return absolute url_redirect if page is a redirect page
return always url to make a real redirect
implement redirect in pages controller
correct syntax
do not clear url in redirect pages
correct use of blank? method
correct migration
remove whiteline
update migration
add changelog entry
correct changelog entry