Merge pull request owncloud#675 from owncloud/hotfix_full_sync_ignori…

…ng_etag

HOTFIX - Full-account synchronization should never fetch the contents of a folder...

Update version number to 1.5.6, 1.0.15(workaround)

Updated .gitmodules for easier access to ownCloud library from differ…

…ent environments

Merge pull request owncloud#320 from owncloud/hotfix_layout_problem_i…

…n_login_while_landscape

Hotfixed layout problem in login while landscape