get rid of useless comments
close #719
refactoring the link_to code and its specs + close #732
Added liquid filter to encode URL
the migrations run smoothly now + bump version to 2.2.0.rc1 + use the official version of mongoid_migration
the localize helper method should use the timezone of an existing site
use the default locale or the one from the request when sending a form to create a public entry
new liquid filter: random + the page handle property is accessible in a liquid template
the inputcontrol aloha plugin was not precompiled
the position of the first entry of a content type is 0
Add partial loaded before Backbone init to override in main app
Merge pull request #737 from geku/header-hook-template

Empty partial before Backbone init for extensions by main app
Merge pull request #734 from benjaminwood/master

Liquid filter to encode URLs
fix a very annoying bug when creating a site in a locale different from the one of the current account + add a test to prove that a select type can be embedded in a contact form (issue #739) + new version of the custom_field gems solving 2 issues #500 and #728
the unique property should not be visible for several field types: has_many, many_to_many and file.
use the new syntax for the mongoid.yml file generated by the LocomotiveCMS installation generator
bump version to 2.2.0
with_scope accepts now conditions on select fields (similar to #447 and #448) + the slug of a page can have underscore
change the version of the engine accordingly
the slug of a content entry can include underscore(s)