Fix the use of opengl for Qt 5.3.

Starting with Qt 5.3 there is only one platform plugin.

Change-Id: If0e88c8662c88b23fa2b714796684846e7c066ba
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@digia.com>
Remove all locallibs with unmet dependencies.

Change-Id: I871aaa2488f2df0d6af5f51b3a37bc0e8bc8a1c3
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@digia.com>