Support specifying a partial name to limit which partials are rendered on sync_update/destroy
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Remove deprecated @channels assignment
sync_new also now accepts a partial name for selective rendering
Merge remote-tracking branch 'upstream/master'

Conflicts:
	lib/sync/actions.rb
	lib/sync/partial.rb
Merge pull request #98 from mgomes/master

Support specifying a partial name to limit which partials are rendered o...