fixed .deb, added MainWindow + Qt Stacked

* .deb file was now working due some weird reason in application
  installer gui. Now does work

* Tried to get the StackedWindow to work, but failed.

# Please enter the commit message for your changes. Lines starting
# with '#' will be ignored, and an empty message aborts the commit.
# On branch master
# Changes to be committed:
#   (use "git reset HEAD <file>..." to unstage)
#
#	modified:   debian/changelog
#	modified:   debian/control
#	modified:   main.cpp
#	modified:   woller.cpp
#	modified:   woller.h
#	modified:   woller.pro
#
# Untracked files:
#   (use "git add <file>..." to include in what will be committed)
#
#	debian/changelog~
#	icons/64x64/heppa.png
#	icons/64x64/woller.base64
#	woller.cpp~
#	woller.pro.orig
