BUG: Representation not updating when volume input changed

Change-Id: Icb8b1d2264329f9514285cbbba5c34567651154c
Merge topic 'kdtree-repr' into pv-master

6dee6fde Fix KdTree::GenerateRepresentation and add test.
aec1c0b7 Merge topic 'fix-frustum-bug' into master
35df8484 fix a bug in triangle frustum intersection
c76a183c Merge topic 'update-hdf5' into master
db8d3e20 Make hdf5 properties advanced.
f0480df1 Merge topic 'fix-mingw' into master
132fec1b snprintf from HDF5 conflicts with the one from GMVReader
16aab8e2 Merge topic 'geovis_raster_reader' into master
b6417845 Merge topic 'break-warning' into master
3637cce3 Merge topic 'particle_path_fix' into master
cdc8d8ae Fix unreachable-code-break warnings.
6b41931d Merge topic 'xdmf3_writer_smaller_files' into master
28e05a3a Merge topic 'valid_image' into master
8cf31408 Add valid image for other systems (not AA etc)
4411fdcb Merge topic 'fit_test_to_macbook' into master
ac27a776 Merge topic 'lighting_fixes' into master
...
Merge remote-tracking branch 'pvvtk/pv-master' into HEAD

* pvvtk/pv-master:

Change-Id: Ie0386a7a318c1b29aac142528ecd71662fe703c0
Merge topic 'volume_update_issue' into master

498c2528 BUG: Representation not updating when volume input changed