merged with config, mock, etc
Incorporate sinon tests into ips.tests.js.
550 - retrieveSequenceNode error condition unit test.
adding blanket test coverage
Merge remote-tracking branch 'upstream/master' into SanitizeNode_555

Merge with Seann's latest
Merge remote-tracking branch 'upstream/master' into SanitizeNode_555

Blanket
un doing blanket package
Sample MCP config refined
Methods: sanitizeBrixConfig, obtainAnswerPart
mocha with xunit reporter
Merge branch 'SanitizeNode_555'

Minor merge