Add documentation about mode_shape to the Exodus reader.

Change-Id: Iedbb901685be021f976ef17ed28d6f8fb31cb148
Merge master into next

Change-Id: Ia895a6aa35e494c48bd45b77e10e63aedfb58793
Merge topic 'h5part-15215' into next

af7242ce BUG: If there is no data, the extents array is NULL which causes a segfault.
Merge topic 'camera-9503' into next

c4984ef9 BUG: Adjust Camera / Elevation button printed warning.
Move VTK: Rename data_index to mode_shape in Exodus reader.

Change-Id: I30eb9c26e630c96102e60c91c7c64be1199769c2
Merge topic 'exodus-15127' into next

528499cb Move VTK: Rename data_index to mode_shape in Exodus reader.
c2fa5379 Add documentation about mode_shape to the Exodus reader.
Allow to specify multiple directories which should be browsable.

Change-Id: Iac67635d37c43d4fa514406b6080b246fa339bac
Merge topic 'pvweb-support-multiple-data-directories' into next

1f382b19 Allow to specify multiple directories which should be browsable.
Added tooltips for main toolbar and proxy editor toolbar buttons.

Change-Id: I6ea807b32ddc28d87d7360f4a5cc5b197d6cd254
Merge topic 'webvisualizer-add-tooltips' into next

a4598022 Added tooltips for main toolbar and proxy editor toolbar buttons.