Return from main instead of exit()ing in qdbus
Return from main instead of exit()ing in qdbus

This way, the automatic variables' destructors will be run.

Change-Id: I2550969a0dde981f2de14be0ddaae285b68181db
Reviewed-by: L Potter <0e329dfd61bdd4e2b2b708a31f12f199a7656feb@gmail.com>

mer-qt/qttools,mer-qt/qttools,mer-qt/qttools,mer-qt/qttools,mer-qt/qttools,mer-qt/qttools