Adding files and README badges for travis and scrutinizer
Replace public statics with private to prevent deprecation errors

These public statics are deprecated and will fail tests under the framework master branch
FIX: Fixes #164
- Adds logic to allow `WorkflowPublishTargetJob` to signal targets that
  jobs are running
- Fixes inability of users to change a scheduled embargo date.
- Fixed CSS for date validation error.

Conflicts:
	code/extensions/WorkflowApplicable.php
Merge pull request #181 from stojg/pull/fix-tests-with-bugfixes

Fixes tests and bugs