Removed priority based streaming and fast path.

Removed priority based streaming and fast path codes in
preparation for future refactoring. These were polluting core
classes despite having a small user base. In the future, they
may be refactored into the appropriate subclasses and "plugins".

Change-Id: I54562546688c6de468b0068e9b6c65e49c5ec269
COMP: Missing NO_VALID

Tests that do not have baseline images for regression testing must use
the NO_VALID modifier to avoid cmake warnings.

Change-Id: I083e48e4f5cceecc0a26146513b4581360dc76f0
Merge topic 'removed-priority-streaming' into master

575ebda2 Removed priority based streaming and fast path.
Merge topic 'Configuration_ValidData' into master

84087f54 COMP: Missing NO_VALID
- Follow on commit to use the right style #include ("", not <>)

Thanks to Marcus for pointing out the subtle difference.

Change-Id: I24715440fa744267d0bda3c53494e738f7223e0f
Merge topic 'Coverage_CornerAnnotation' into master

67cf4826 - Follow on commit to use the right style #include ("", not <>)
ENH: Improve code coverage script

Change-Id: Id530d6e9c12cc0098931bd5c9a06924a15935579
Merge topic 'CodeCoverageScript' into master

0e9cfd9b ENH: Improve code coverage script
Improve implementation of Catalyst viewer

Change-Id: Ibf305a1ea35b426e35dd43caf263861bdcb69381
Merge topic 'catalyst-web' into master

697d1785 Improve implementation of Catalyst viewer