Fix: Prevent QApplcation from being constructed multiple times, since this        crashes Qt.
Fix: Prevent QApplcation from being constructed multiple times, since this
       crashes Qt.

hlamer/qutepart,hlamer/qutepart,hlamer/qutepart,hlamer/qutepart,Aldenis2112/qutepart,Aldenis2112/qutepart,andreikop/qutepart,Aldenis2112/qutepart,Aldenis2112/qutepart,andreikop/qutepart,andreikop/qutepart,hlamer/qutepart,hlamer/qutepart,hlamer/qutepart,hlamer/qutepart,hlamer/qutepart,Aldenis2112/qutepart,Aldenis2112/qutepart,andreikop/qutepart,andreikop/qutepart,andreikop/qutepart,Aldenis2112/qutepart,andreikop/qutepart,andreikop/qutepart,Aldenis2112/qutepart,andreikop/qutepart,Aldenis2112/qutepart,hlamer/qutepart,andreikop/qutepart,Aldenis2112/qutepart,Aldenis2112/qutepart,hlamer/qutepart,andreikop/qutepart