use the right version of the ownCloud apps

Contacts and Calendar are now versioned separately from ownCloud core.

Contacts appears to be in a v0.4.x.x series. This is the hash of v0.4.0.0.

Per https://github.com/owncloud/calendar/issues/892, Calendar is in a 0.7.x series. This is the hash for 0.7.2.

setup/owncloud.sh

@@ -17,7 +17,6 @@ apt-get purge -qq -y owncloud*
 # Install ownCloud from source of this version:
 owncloud_ver=8.1.1
 owncloud_hash=34077e78575a3e689825a00964ee37fbf83fbdda
-owncloud_apps_ver=8.1.0
 
 # Migrate <= v0.10 setups that stored the ownCloud config.php in /usr/local rather than
 # in STORAGE_ROOT. Move the file to STORAGE_ROOT.
@@ -52,8 +51,8 @@ if [ ! -d /usr/local/lib/owncloud/ ] \
 	# The two apps we actually want are not in ownCloud core. Clone them from
 	# their github repositories.
 	mkdir -p /usr/local/lib/owncloud/apps
-	git_clone https://github.com/owncloud/contacts v$owncloud_apps_ver '' /usr/local/lib/owncloud/apps/contacts
-	git_clone https://github.com/owncloud/calendar v$owncloud_apps_ver '' /usr/local/lib/owncloud/apps/calendar
+	git_clone https://github.com/owncloud/contacts 4ff855e7c2075309041bead09fbb9eb7df678244 '' /usr/local/lib/owncloud/apps/contacts
+	git_clone https://github.com/owncloud/calendar ec53139b144c0f842c33813305612e8006c42ea5 '' /usr/local/lib/owncloud/apps/calendar
 
 	# Fix weird permissions.
 	chmod 750 /usr/local/lib/owncloud/{apps,config}