mixed collection of updates and improvements

added _online function to replace navigator.onLine
improved html/css in clientstorage
added ZABLE.run_apps that replaces div.zable_script with div[data-zable-app]
renamed _INVITE_LOGIN_TYPE_* to _LOGIN_TYPE_*
_user.email extended from 40 to 80 characters
userman and localuserman selectors now filters on affiliation