change version of assetic module
Merge branch 'master' into devel
prepare header & bodyinterface
update BodyInterface
update header interface
implement HeadersSet
update interface for headers set
update ResourceInterface
update StandardResource.php
update styles
update api config
add header partial
simplyfy params description
update Api serice
update standard strategy
implement null body
update show.phtml
update body interface, implementation
update todo & add readme