improving blank package
set page title at router controller level
test if Embedly key exists, and if not show message
fix #617
Remove now-obsolete title from page controller

Title is set via ``PostPageController.getTitle`` in https://github.com/TelescopeJS/Telescope/blob/master/lib/router/filters.js#L170
fix sign-out route
Merge branch 'master' of https://github.com/TelescopeJS/Telescope
override Meteor.absoluteUrl() with URL provided in settings
adding userCreatedCallbacks callback hook and refactoring user creation
typo fix