update wiki
functions: add a way to copy backups to usb drive
add owncloud submodule from https://github.com/owncloud/core
add shaarli submodule from https://github.com/sebsauvage/Shaarli
add YOURLS submodule from  https://github.com/YOURLS/YOURLS
Merge branch 'master' of github.com:nodiscc/nodezero
apache: enable HSTS, closes #40
update wiki
update wiki
update wiki, add OtherTools.md page
update wiki
update wiki
update wiki
Merge branch 'master' of github.com:nodiscc/nodezero
update wiki
Merge branch 'master' of github.com:nodiscc/nodezero
add usbmount config
add zpskeleton theme from http://oswebcreations.com/zenphoto-themes/zpskeleton/
add zenphoto submodule from https://github.com/zenphoto/zenphoto
update wiki