Bind the globals with the highest version available

Change-Id: I639b124f15416905c17665755b3288c905880f39
Reviewed-by: Gunnar Sletta <gunnar.sletta@jollamobile.com>
Wait to get wl_output's events before creating surfaces

Change-Id: I2eb4b40a4b8b1de7990d06b57b0d7a7b04ee9657
Reviewed-by: Gunnar Sletta <gunnar.sletta@jollamobile.com>