Restore orientation properties and fix a crash in the dialog.

Sanitize build with -Wall -Werror

Add new keyboard shortcut to switch between windows of the same application, add new keyboard shortcut to switch between windows of different applications only, add new option "cycle_apps_only" to switch between regular toplevels only (avoiding dialogs - This option coupled with the new shortcut allows for faster window selection through keyboard)

	  settings-dialogs/xfwm4-dialog.glade,
	  src/settings.c: Reduce minimum timeout for focus delay in focus 
	  follow mouse (100ms was way too much),

(Old svn revision: 29673)

	* settings-dialogs/xfwm4-settings.c, 

(Old svn revision: 29573)

	  settings-dialogs/tweaks-settings.c: Do not run setting dialogs if
	  current window manager is not xfwm4 (Bug #4989).

(Old svn revision: 29572)

	  inverted - patch by Mike Massonnet <mike.massonnet@gmail.com> 
	  (Bug #4931). 
 

(Old svn revision: 29513)

	  for the API change for xfce_shortcut_dialog_run(), 
	  Add dependecy on libxfce4kbd_private revision.
	* src/events.c : Fix user time not being taken from the user time 
 

(Old svn revision: 29467)

	  wrap_resistance and snap_width (0 is not a valid value)
	  src/settings.c: clamp values to sensible defaults
	  src/events.c, src/moveresize.c: reduce the warping distance of the
	  mouse pointer (bug #3290)

(Old svn revision: 29454)

	* settings-dialogs/xfwm4-settings.c: When stealing a shortcut from
	  another shortcuts provider, clear the shortcut of that provider
	  first.

(Old svn revision: 29427)

	  dialog if the action of the new shortcut differs from the one
	  that's being edited.

(Old svn revision: 29423)

	  gtk_selection_data_get_data()

(Old svn revision: 29365)

	  gtk+2.14 (Bug #4855)

(Old svn revision: 29352)

	  settings-dialogs/xfwm4-dialog.glade: Make title alignment and button
	  layout insensitive when not supported by the theme selected, fix a
	  memory leak,
	  configure.ac.in: Remove AC_C_CONST
	* settings-dialogs/xfwm4-settings.c: Fix dragging button layout when 
	  the dialog is embedded in the settings dialog (Bug #4524).

(Old svn revision: 29349)

(Old svn revision: 29347)

	  settings-dialogs/xfwm4-dialog.glade: Make focus delay insensitive
	  in click to focus mode. 
 

(Old svn revision: 29267)