Merge pull request #26 from jerico-dev/dev-stable

Please pull Lucene search features into stable release.
*7969* Fixed showing form error notifications only in the next request
*7970* correct cast for authorId
*8004* Fixed notification subscription errors
*8004* Subscription SQL error
removed duplicate key from en_US locale
*7846* updated de_DE locale (according to commit 282a908776)
*7846* updated de_DE locale
removed tiny error from en_US locale
*7846* another update to de_DE locale
Merge pull request #27 from mtub/20121122-locale-updates

20121122 locale updates
*7834* Standardization of code headers
*7834* Standardize headers
*5723* Add ISSN validator
*5723* Add ISSN validator
*5723* Removed dead variable
Re apply *3696* fix for moving TinyMCE cache
*6670* Revert bug 3520
*8107* fr_CA locale updates
*8108* miscellaneous locale updates