Have travis generate test coverage using istanbul.
Report coverage to build log and coveralls.
Change template node to allow templating of any property of msg
minor spelling correction
Add more Node tests.
Refactor common log code.
Add test for the null message case.
Short circuit the null message case.
Update icon to fa icons for parser nodes and sentiment
and add fa icons to websocket
tray/catch error in Websocket node to close #264
Spelling correctin http node info, close #266
Removing orphaned function.
Add node flows tests.
Remove unused code.
Fix jshint complaints.
Add setFlows test.
Rewrite credentials API to work with save on deploy.
Adding unit test for credentials.clean
Ignore the test coverage directory.