Remove modules/image/tests and modules/image/media (only used for guide).
Update bootstrap to handle admin controllers and remove underscores.
Move L10n stuff from its own directory (rename-only commit).  Keeps controller routing consistent.

--HG--
rename : modules/gallery/classes/Controller/L10n/Client.php => modules/gallery/classes/Controller/L10nClient.php
rename : modules/gallery/classes/Gallery/Controller/L10n/Client.php => modules/gallery/classes/Gallery/Controller/L10nClient.php
rename : modules/gallery/classes/Gallery/L10n/Client.php => modules/gallery/classes/Gallery/L10nClient.php
rename : modules/gallery/classes/Gallery/L10n/Scanner.php => modules/gallery/classes/Gallery/L10nScanner.php
rename : modules/gallery/classes/L10n/Client.php => modules/gallery/classes/L10nClient.php
rename : modules/gallery/classes/L10n/Scanner.php => modules/gallery/classes/L10nScanner.php
Search and replace for L10n_Client and L10n_Scanner to remove underscores.
Merge pull request #265 from shadlaws/admin_and_l10n_routing

Admin and l10n routing