Support sensitive execute resources.

If the resource is marked sensitive, it should not:
* stream output
* display the command line

Change-Id: Ieb43000d0da41e9cb635c056b207931ef212efa7
Dummy change to get curry to re-examine repo.

Change-Id: Id62328f67d8cd3b0c149cc510e01a79434dff93e
Changed variable name

Change-Id: Ia653aeb2a0183e2bab712aac613e61bfcf691ff7
Added spec tests for sensitive execute resources

Change-Id: I4794d9c8ec38dff58c793bf4c4464862e70dc05b
Factored out opts into before clause.

Change-Id: I1d9e384187c2f7762598c41598cddd35ce9171be
Use let for opts

Change-Id: Icce61096e869abe23ce847691cd65078b0b62cf0
Merge pull request #2013 from nvwls/sensitive-execute

Support sensitive in execute resources.