add bundled apps path to autoconfig.php
add the owncloud 'apps' repository as a submodule
add the owncloud 'bookmarks' repository as a submodule
add the owncloud 'calendar' repository as a submodule
add the owncloud 'contacts' repository as a submodule
move apps_paths to config.php
move single app submodules to a directory
remove unnecessary '?>'
merge branch 'extapps' into next

Conflicts:
	extapps/single/bookmarks
	extapps/single/calendar
	extapps/single/contacts
switch to apps from stable5 branch of owncloud/apps
switched everywhere to stable5 branch; 3rdparty and apps submodules in lib
fixed 3rdparty configuration