Merge pull request #407 from steffenstraetz/master

Fix issue #403 - Replaced deprecated "schema" property with "attachSchema" method.
CSS tweaks
Merge branch 'master' of github.com:TelescopeJS/Telescope
Making comment upvote/downvote work with custom templates
Do not mark posts as sent when invoking testCampaign; limit testCampaign to admins