Merge pull request #168 from mfairchild365/issue-123

Improve the manager home page and accessibility
Populate channel list
Add a hidden field to specify the post target
Enable the publish button after a successful upload
Use the form_validation plugin on the upload form
input names should be the same

Rather than sending an array of empty values with keys as the ID, send the data the traditional way with the same name and ids as values.
Merge remote-tracking branch 'upstream/4.0_template' into issue-123