Update documentation.

The documentation now contains the default for
vtkDelimitedTextReader::HaveHeaders (false).

Change-Id: Ie97f17d427d92243e710a0d6b85d8f6ffc67a6ea
Remove debugging printouts.

Change-Id: I92102c8ac0609f80308f6954f6bc89aabf42e963
Sphere widget behaves better when scaled down to zero

Radius was becoming non-determinate and the widget could not be scaled
back from zero. Added new test to check zoom.

Change-Id: Ib308bc7109d6624fbf3ff725bae33ecc93e45b72
Merge topic 'ensemble-reader' into master

1d7c4549 Remove debugging printouts.
9ac19b71 Update documentation.
COMP: Adjust tolerances

Some tests need tolerance adjustments oon various platforms.

Also, removed deprecated method tests to avoid warnings.

Change-Id: I92e43e8e52ecd8e608d533aaa00890bac4b53cbf
Merge topic '0014323-sphere-widget-scale' into master

7e09ea95 Sphere widget behaves better when scaled down to zero
Merge topic 'Precision_UnitTestMath' into master

77483595 COMP: Adjust tolerances
Properly implement the factory for the dax filters.

Change-Id: If03194e9df8258feb72fa2ed53f263eacd4891d5
Merge topic 'dax-factories' into master

6803ffd2 Properly implement the factory for the dax filters.