Add MultiBlockAttributes1 test

This adds a new test for the multi-block display attributes.

Change-Id: I1f90cadad406d7fd9330f48882958e4954cc621f
Merge topic 'multi-block-tests' into next

5d1c41f Add MultiBlockAttributes1 test
Disable MultiBlockAttributes1 test on pvcrs

The MultiBlockAttributes1 test requires selection for the context
menu and thus does not work on pvcrs.

Change-Id: Idc6533d1321597bd47d930f272c135994a9d7340
Merge topic 'multi-block-tests' into next

ec614a9 Disable MultiBlockAttributes1 test on pvcrs
Add 'Show All Blocks' button to context-menu

This adds a new button to the context-menu for multi-block
data sets which sets the visibility of all blocks to true.

Change-Id: I17044090cd128c627ec497906f2a78a62da9f7bd
Merge topic 'show-all-blocks' into next

ddb0cdf Add 'Show All Blocks' button to context-menu
Fix bug when setting color for multi-block data sets

This fixes a bug which occurs when the user clicks cancel in
the color chooser dialog when changing the color for a block.

Change-Id: I229896ce88c210a27a731f5d80e795daae969b93
Merge topic 'fix-multi-block-issues' into next

ebf184d Fix bug when setting color for multi-block data sets
Cleaning up enabling of FFMPEG.

FFMPEG support was not getting enabled due to buggy logic. Cleaned that up. Now,
when PARAVIEW_ENABLE_FFMPEG is ON, we require VTK's FFMPEG support modules and
enable *.avi support. This replaces VTK_HAS_FFMPEG_SUPPORT with
PARAVIEW_ENABLE_FFMPEG in vtkPVConfig.h.

Change-Id: I047f1143857468542a448d90a0dc58b1be8a0d1a
Cleanup OggTheora support.

ParaView wasn't detecting that OggTheora was enabled when using
system-oggtheora since we were checking for the present of a target which is
only created when not using system OggTheora. This fixes that issue.

Change-Id: I643cb2bd1c18b9abc0e695c856b6786970a0ea5f
Merge topic 'fix_ffmpeg_support' into next

6230007 Cleanup OggTheora support.
b61e99d Cleaning up enabling of FFMPEG.