when modifying php.ini, use ; as the comment char not # because php emits horrid deprecation warnings otherwise

x-accel-redirect dosn't need to process files in ownCloud data directory. TODO: fix for autogeneration

Conflicts:
	conf/nginx.conf
	setup/zpush.sh

tweak z-push/owncloud installation scripts: hide output, check if z-push needs an update, dont use /etc/timezone because its contents would need to be escaped before being passed into sed