Merge pull request #7 from MorganDawe/7.x

Added variable_del() to remove variable during uninstall.
Merge pull request #8 from MorganDawe/7.x

Updated workflow input form, added message ability to activity, and fixe...
Merge pull request #9 from MorganDawe/7.x

cwrc-29
Update .travis.yml
Update .travis.yml
Update .travis.yml
Merge pull request #12 from MorganDawe/7.x

Notificiaton, forms and workflow updates
Merge pull request #13 from MorganDawe/7.x

A few client feedback tweeks implemented.
added logging hook
Merge branch '7.x' of github.com:discoverygarden/cwrc_workflow into 7.x
Merge https://github.com/ajstanley/cwrc_workflow into 7.x
Added a server identifier to the install, admin form and cwrcwriter class to append to username in a workflow entry. Cleaned up code review in utilities.