Fix version number of libContacts plugin
Fix version number of libContacts plugin

Version number was incoherent between the library and the .qml files.
Without this fix the imports in .qml files fail when Qt 4.8 is in use.

nemomobile/qmlcontacts,nemomobile/qmlcontacts,meego-tablet-ux/meego-app-contacts,meego-tablet-ux/meego-app-contacts