Merge pull request owncloud#869 from owncloud/hotfix__fixed_start_of_…

…SAML_dialog

Hotfix - fixed start of SAML dialog

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