Merge pull request #21 from philsogaDGI/7.x

Setup Travis and Tests
Add functions to be call as derivative callbacks.
Carry through changes of Islandora constants.
Fix local constant.
Coding standards.
Merge pull request #23 from adam-vessey/7.x-constants

Update constants.
Merge pull request #24 from adam-vessey/7.x-derivatives

Add functions to be call as derivative callbacks.
The url set here needs to be externally accessible.
Merge pull request #25 from ruebot/7.x

The url set here needs to be externally accessible.
Added new form element type swaptable.
coding standards
revert misspelling
updated icon, hook doc
img size important without refactor
coder placated?
firefox issue dealt with
Merge pull request #27 from willtp87/7.x-CWRC-1-page-management-system

Added new form element type swaptable.
made changes to allow jpegs as source
made variable names consistent
added dependencies