Add node flows tests.
Remove unused code.
Fix jshint complaints.
Add setFlows test.
Merge pull request #269 from zobalogh/master

Removing orphaned function: localfilesystem.writeFile(root,path,meta,body,res)
Merge pull request #267 from hindessm/flows-tests

Flows tests
Adding unit test for credentials.clean
Rewrite credentials API to work with save on deploy.
Ignore the test coverage directory.
Merge pull request #251 from Belphemur/credentials-pr

Rewrite credentials API to work with save on deploy.
Merge pull request #268 from hbeeken/test-coverage

Adding unit test for credentials.clean
Merge pull request #270 from hindessm/ignore-coverage

Ignore the test coverage directory.
Correcting setFlow test
Because of the change made into the credentials, the saveCredentials needs to be defined for the setFLow to work
Merge pull request #271 from Belphemur/test-creds

Correcting setFlow test
Remove spurious variable declaration.
Reduce scope of variable declaration to be consistent with MQTTInNode code.
Merge pull request #273 from hindessm/trivial-mqtt-var-cleanup

Trivial mqtt var cleanup
Add status support to the redisout node.
Add missing license header.
Merge pull request #275 from hindessm/add-missing-license-header

Add missing license header.