Apply button emits accepted() signal

This has the consequence of making certain changes appear in the view
when the Apply button is clicked, which wasn't happening after a
recent change.

Change-Id: Ia24e408fdec33bfa861aa4c23e8c6c51401c7571
Merge topic '14599_fix_double_range_issues'

2dee65e5 BUG #14559: Bring in VTK fixes for double-range support.
Merge topic '14789_fix_border'

4ff73a06 BUG #14789: Added ability to save images with border betn views.
Merge topic '14831_log_scaling_crash'

b7133cf7 BUG 14831: Fixed crash that could occur when log scaling is enabled
Merge topic '14848_fix_mutlselection'

cb849661 BUG $14848: Fix multi-selection in "Blocks" widget.
Merge topic 'appdata-file'

e7db5bec paraview: add square icons for Linux menus
5ff6e8a1 paraview: install an AppData file
479ebf65 paraview: install a .desktop file on *nix
Merge topic 'catalyst-dependencies'

40699a9a catalyst: check dependencies when catalyzing
318270a8 catalyst: add dependency information to manifests
Merge topic 'catalyst-kits'

cc1d13ea catalyst: update module.cmake files for kits
7214a561 catalyst: enable VTK kits
Merge topic 'compilation_issue_processxml'

245c75c8 Fix slow compilation via processxml
Merge topic 'excess-moc-wrapping'

15de42fd VR: remove moc wrapping of QObject-less headers
Merge topic 'fix-cache-doc'

a27641a8 cmake: fix docstring for VTK variable overrides
Merge topic 'fix-catalyst-python'

db427c07 catalyst: fix PythonExtractionFilter failures
Merge topic 'kit-libraries'

bcfcd062 kits: group modules into kits
Merge topic 'newest-xdmf'

94dea340 expose subsets in xdmf3 reader
fcc3b2f1 bump vtk to get xdmf3 with subsets and functions
Merge topic 'pass_connectid_to_autompi'

e7e81521 Pass "connect-id" to AutoMPI server.
Merge topic 'remove-mpi4py'

11559e82 catalyst: update manifest for mpi4py
9ae2beb3 mpi4py: remove
Merge topic 'update-vtk-20140729'

a1bda836 vtk: update for 2014-07-29
Merge master into next

* commit 'aa525d5d662ea6c7036e47a07e4c8a146a773e5f':

Change-Id: Idea00d92e6409e138fc0bd476f2b298263c0d4ca
Merge topic 'fix_proxy_widget_dialog_apply' into next

ae1f7a9c Apply button emits accepted() signal
Merge topic '14813_fix_mode_shapes_range' into next

31ae6163 BUG #14813: Use correct range for mode shapes index.