Fixed issues with CosmoTools module.

Primarily fixing dashboard issues with CosmoTools module after enabling it on
dashboards including fixing leaks and updating tests (ValidateSources).

Change-Id: I109367e4c774a66d1b80661c48ee470e464ffb17
Merge topic 'fix_particle_streaming' into next

4ca529d Fixed issues with CosmoTools module.
Fix color by process id

Change-Id: Ib722156c43d280a93fb9965ba3c3f5c84bae79e6
Merge topic 'pvweb-group-file-in-visualizer' into next

f78d07a Fix color by process id
Adding new test for testing particle streaming.

This test depends on CosmologyTools.

Change-Id: If04522d1ce33b790e51595bd497add240f1da714
Merge topic 'fix_particle_streaming' into next

16c473b Adding new test for testing particle streaming.
BUG #14402: Fixed Mac issue by using pqFileDialog.

Addresses bug by using pqFileDialog instead of QFileDialog.

Change-Id: Ifc40be10399a44183d23ec4bd3782d03828f5752
Merge topic '14402_fix_save_macro' into next

1e1b6e6 BUG #14402: Fixed Mac issue by using pqFileDialog.