desktop-shell: better error logging

v2: only call cairo_surface_status once
shell: clear popup grab interface on remove_popup_grab and popup_grab_end

Fixes a segfault. Steps to reproduce:

* start weston with the x11 backend
* open a terminal
* click on the icon in the top left corner, choose close
* close the x11 window containing weston
configure.ac: Bump version to 1.1.0
Initial commit of virtual Keyboard based on the EFL

Edje layout copied from Enlightenment SVN repository:
http://svn.enlightenment.org/svn/e/trunk/BINDINGS/python/python-edje/examples/evas-demo/02-vkbd/

Video: http://www.youtube.com/watch?v=TrWpUBTDDr0

Signed-off-by: Eduardo Lima (Etrunko) <eduardo.lima@intel.com>
Added support for lower and uppercase for iclone

Signed-off-by: Eduardo Lima (Etrunko) <eduardo.lima@intel.com>
Don't repeat space, enter and backspace keys declaration

Those keys are fixed and always shown. So we moved the part declarations to
a new dedicated group.

Signed-off-by: Eduardo Lima (Etrunko) <eduardo.lima@intel.com>
Cleanup iclone theme and add support for key press animations

Written some logic as embryo code, and with and got rid of unecessary
signal emission and callbacks on the C side.

Signed-off-by: Eduardo Lima (Etrunko) <eduardo.lima@intel.com>
Check if EFL is built with Wayland support

Signed-off-by: Eduardo Lima (Etrunko) <eduardo.lima@intel.com>
Added _vkbd_free()

Signed-off-by: Eduardo Lima (Etrunko) <eduardo.lima@intel.com>
Add handlers for wayland input method

Signed-off-by: Eduardo Lima (Etrunko) <eduardo.lima@intel.com>
Added 'numeric' group, for 10-key entries

Signed-off-by: Eduardo Lima (Etrunko) <eduardo.lima@intel.com>