Restructure title-label.

Change-Id: Ib1aa98218ab5439460673d1804c519e2c132e682
Merge topic 'support_view_frame_titles' into next

c242ef9e Restructure title-label.
Support adding title texts to pqViewFrame.

We always had the API to set the title, but it never did anything. This
commit fixes it to add a label if a non-empty title is specified.

Change-Id: I4bb93a7fe0169946dbc4cac07311e41c28cc99e0
Merge topic 'support_view_frame_titles' into next

94029fe2 Support adding title texts to pqViewFrame.
Remove debug message.

Change-Id: I0a39341bdddc7a8666cb8bdb7fe3215323d62f5a
Merge topic 'support_view_frame_titles' into next

46078d1f Remove debug message.
Support adding title texts to pqViewFrame.

We always had the API to set the title, but it never did anything. This
commit fixes it to add a label if a non-empty title is specified.

Change-Id: I4bb93a7fe0169946dbc4cac07311e41c28cc99e0
Merge topic 'support_view_frame_titles' into next

57ca92ba Support adding title texts to pqViewFrame.
Adding a test for using an MPI sub controller.

Change-Id: If5289af43141fa0159d11d13b1ef6fd6ae3b74a6
Merge topic '14759_Catalyst_MPI_Comm2' into next

e478ab81 Adding a test for using an MPI sub controller.