Elm glayer: Added key grab for CTRL to finish zoom
Elm glayer: Added key grab for CTRL to finish zoom

Signed-off-by: Aharon Hillel <a.hillel@partner.samsung.com>

SVN revision: 61478

tasn/elementary,rvandegrift/elementary,tasn/elementary,tasn/elementary,FlorentRevest/Elementary,tasn/elementary,FlorentRevest/Elementary,tasn/elementary,rvandegrift/elementary,rvandegrift/elementary,FlorentRevest/Elementary,rvandegrift/elementary,FlorentRevest/Elementary