Merge pull request #112 from 2houses/master

Add an exception in link_to tag
collections can be ordered by with_scope + fix link_to for templatized pages + new way of setting Sprockets + new version of the mounter (1.2.6)
Merge branch 'master' of github.com:locomotivecms/wagon
use the right exception class when a content entry is not translated
Merge remote-tracking branch 'upstream/master'

Conflicts:
	lib/locomotive/wagon/liquid/scopeable.rb
	lib/locomotive/wagon/liquid/tags/link_to.rb