Merge topic 'vtk_master_2014_11_11' into pv-master

2fd3ed6f Merge topic 'faster_edges' into master
fefd1846 Merge topic '14809_fix_title_placement' into master
6b8ef814 Significantly better performance with EdgeVisibilityOn
32a1a2d4 Merge topic 'volume_multi_light' into master
886872ff Merge topic 'fix_bad_memcpy' into master
5cd476f0 Merge topic 'update-kwsys' into master
df6ae15d Merge branch 'upstream-kwsys' into update-kwsys
d9b96c82 KWSys 2014-10-31 (88c8cc7f)
b28fd084 Merge topic 'mask-points-fix' into master
015c6cfa vtkPlotGrid draws grid even when axis is invisible.
9ffb9792 BUG #14809: Use title size when placing title in vtkChartXY.
48e0b994 Merge remote-tracking branch 'pvvtk/pv-master' into HEAD
fb6b47d5 Merge topic 'AdjustFileDescriptorLimit' into master
ab29d100 COMP: A more robust way to check file descriptor leaks
7baf76e2 Adding test for testing light kit and fixed shader issues
3c42ad23 Implementing positional light
...
Merge remote-tracking branch 'pvvtk/pv-master' into HEAD

* pvvtk/pv-master:

Change-Id: I98a4c8e31993c255625f14763cdedd90c92e079d