Add sample classes for both AWT and SWT components.

Change-Id: I670735df98e40b301a63bf9c342b1db8439619c8
Merge topic 'IntroduceNewAWTAndSWTJavaComponents' into master

a11d4459 Add sample classes for both AWT and SWT components.
Merge topic '13789-FixMacMplPythonPath' into pv-master

c86fcf5 Merge topic '13789-FixMacMplPythonPath' into master
dafd038 Merge topic 'improve_dataset_support_for_HTG' into master
54ab42d Whitespace cleanup
f2022b1 Build links in all cases, including 27-trees (3D ternary)
5ba5284 Added a test for a clip through a 3D ternary dual of a HTG
dcba615 Unescape spaces in MPL paths.
d77d83e Merge topic 'cocoa-remove-old-resolution-independence' into master
c3edc99 Added a test using the data set API for a generic cut (3D, ternary)
c6f819b Merge topic 'fix_dual_points_initialization' into master
5ef9ff2 Fixed dual point initialization
516e7e8 Merge topic 'eliminate_primal_grid_from_hypertreegrid_API' into master
bd73760 Merge topic 'fix-signed-overflow-in-hash' into master
b762a0a BUG: fixed signed integer overflow by switching to unsigned int
9c05815 Eliminated UseDualGrid instance variable and ancillary methods.
e4981db Eliminated all references to dual grid in primal filters
b8dbf02 Merge topic 'update-kwsys' into master
...
Merge topic '13796-chartxy-plot-corner-bug' into pv-master

1ff34b6 Fixes bug 13796 where bottom-right plots pan badly
63c146c Merge topic 'fix_memory_issues' into master
0628738 Fixing arrays being deleted using free() instead of delete.
a41887a Fixed mismatched delete call.
0ddaebc Merge topic 'add_bi_material_case_to_HTG_tests' into master
c5adb43 Merge topic '11810-tcl-geterror' into master
50166da White space clean up
4df8f23 Added a test for a bi-material case
897663a Added an Origin variable to HTG sources, to generalize further
792a060 BUG 11810: VTK failed to compile with Tcl 8.6 due to errorLine.
Merge remote-tracking branch 'pvvtk/pv-master' into HEAD

* pvvtk/pv-master:

Change-Id: I136d4622af9ee210608d1b1614665e409a9d0f6a