Edited changelog, doc stringss

Added Andy's breaking change; removed a block of comment that will get
incorporated into docs on Dev Portal; added info to Service.setToken
for clarity.
Modified method verifyXml from ResultsReaderTestFromExpectedFile to fix error in testExportNonReporting for Splunk version 5.0.1
Merge remote-tracking branch 'origin/develop' into develop
Merge remote-tracking branch 'origin/develop' into feature/testrun_fix

Conflicts:
	splunk/com/splunk/ResultsReaderXml.java