Move former libraries/Gallery_View.php to Gallery/View/Gallery.php (Gallery/View.php will be former MY_View.php)

--HG--
rename : modules/gallery/classes/Gallery/View.php => modules/gallery/classes/Gallery/View/Gallery.php
Move former libraries/MY_View.php to Gallery/View.php.

--HG--
rename : modules/gallery/libraries/MY_View.php => modules/gallery/classes/Gallery/View.php
Fix class declarations for View-related classes.
Move former MY_Database and MY_Kohana_Exception to their new homes.

--HG--
rename : modules/gallery/libraries/MY_Database.php => modules/gallery/classes/Gallery/Database.php
rename : modules/gallery/libraries/MY_Kohana_Exception.php => modules/gallery/classes/Gallery/Kohana/Exception.php
Fix class declarations for just-renamed files.
Add class extensions for just-moved libraries.
Make Gallery_I18n an extension of Kohana_I18n.
Merge pull request #226 from shadlaws/more_library_moving

More library moving