LoggerManager: Create a common function getTempLogFile

Update all the python scripts to use the new function.

Change-Id: Ib1c64e80aafde0697c5022f7b332eefccd1a9c93
DOCUMENTATION: Remove test creation paragraph

There is a paragraph at the end of the RunningandUploadingTests.rst file
that incorrectly describes the XINDEX test generation process. Remove it.

OSEHRA-Id: http://issues.osehra.org/browse/OAT-71
Change-Id: I5cd0d696b4fb47756091b6acdfd7254307c1686e
Merge "LoggerManager: Create a common function getTempLogFile"
Merge "DOCUMENTATION: Remove test creation paragraph"