Add instructions to execute Code Coverage

Add instructions to the RunningandUploadingTest.rst file on how to execute
the code coverage calculation from the command line.

Fix the line width to be <80 characters for non-literal text.

OSEHRA-Id: http://issues.osehra.org/browse/OAT-138'
Change-Id: I61df255fcd94e13edbd63b8d99a7da545a41c493
Merge "Add instructions to execute Code Coverage"