Several Plot3D improvements.

- Better iblank handling
- Added several more functions

Change-Id: I75d8713006b7cd17f6baf6012c88de21845d68df
Fix bug on Mac OS X PPC platform

For some reason the OpenGL line type (stipple etc) was causing point
sprites not to render. Resetting back to a solid line fixes the issue
and is reasonable to do (restore expected state). Thanks to Sean
McBride for providing access to the failing machine.

Change-Id: Ia31ae087e4d830175a194643c4056fd4cc68208a
Added the ability to report time in file.

Plot3D reader now reports the time value in the Q file
in RequestInformation.

Change-Id: I5ab5388284ce95f4ca3a337c16d12505ef5fb34b
Merge topic 'plot3d-improvements' into master

d977f577 Added the ability to report time in file.
bc9f3c1b Several Plot3D improvements.
Fixed -Wcast-align warning by changing variable type.

Fixes bug #14013.
Thanks to kentwilliams.

Change-Id: I50919e594763826228b489978055d6b7950b4569
Merge topic 'ImageReader-CastAlign' into master

57745b3b Fixed -Wcast-align warning by changing variable type.
Removed C++11 extensions warned about by clang

When building as C++03, clang warns that a comma after
the last enum element is a C++11 extension.  Removed commas.

Change-Id: Iae905663481f8315e1bfa65db46bca958fc66a51
Merge topic 'C++11-warnings' into master

1edea1c9 Removed C++11 extensions warned about by clang
Merge topic 'plot-colors' into master

ab5a0856 Fix bug on Mac OS X PPC platform