Merge topic '14790_save_restore_settings_buttons'

f2a2d69a Fix tests.
cd5fdd60 Added buttons to save/restore defaults
c1b2732a Changed some proxy property attributes
6619fcca Removed unneeded includes and forward declarations
067d857e Added emission of missing signal
82edead2 Removed unimplemented method for setting vtkSMInputProperty setting
6656aefb Move settings saving/resetting to pqProxyWidget
Merge topic '14814_fix_cell_point_label_format'

8a2d84eb BUG #14814: Bring back cell/point label format for selection labels.
Merge topic '14824_fix_reader_factory'

a10e3081 BUG: 14824. Fix GetReaders().
Merge topic 'fix-pv-transposetable-filter'

59929d1a Fix the column selection mechanism of the TransposeTable filter.
Merge topic 'Fix_utf8_issue_for_StringVectorPropertyWidget'

99501ea4 Fix pqStringVectorPropertyWidget to support utf8 strings.
Merge topic 'stage-push-data'

d769625f gerrit: push data to gerrit when pushing topics to the stage
Merge master into next

* commit 'aa525d5d662ea6c7036e47a07e4c8a146a773e5f':

Change-Id: I431a28b6093ed165b9e36b9c5817bc652113d437