set version to 5.5

diverging from the qt release version is a major hassle, which should
not be introduced without a *really* good reason.

Change-Id: I8c8538867edb28f2cc954c16f8eac4b737d9ea27
Reviewed-by: Pasi Keränen <pasi.keranen@digia.com>
Reviewed-by: Frederik Gladhorn <frederik.gladhorn@theqtcompany.com>

.qmake.conf

 load(qt_build_config)
 CONFIG += qt_example_installs
 
-MODULE_VERSION=1.0.0
+MODULE_VERSION = 5.5.0
 
 CMAKE_MODULE_TESTS=-