[FIX] - the version-string ow libqtwebkit is strange and even stranger on...

[FIX] - the version-string ow libqtwebkit is strange and even stranger on ubuntu. I reduced the reqirement so that ubuntu and debian work with this.

tools/packaging/debian/control

@@ -2,7 +2,7 @@ Source: openwalnut
 Section: science
 Priority: optional
 Maintainer: Sebastian Eichelbaum <eichelbaum@informatik.uni-leipzig.de>
-Build-Depends: debhelper (>= 8.0.0), cmake (>= 2.8.0), libgl1-mesa-dev (>= 7.7.0), libopenscenegraph-dev (>= 2.8.1), libopenthreads-dev (>= 2.8.1), libqt4-dev (>= 4:4.6.0), libqtwebkit-dev (>= 2.1.0~2011week13), zlib1g-dev (>= 1:1.2.3.4.dfsg), libboost-dev (>= 1.42.0), libboost-program-options-dev (>= 1.42.0), libboost-thread-dev (>= 1.42.0), libboost-filesystem-dev (>= 1.42.0), libboost-date-time-dev (>= 1.42.0), libboost-system-dev (>= 1.42.0), libboost-signals-dev (>= 1.42.0), libboost-regex-dev (>= 1.42.0), libeigen3-dev (>= 3.0.0), libbiosig-dev (>= 0.85.0), libnifti-dev (>= 2.0.0)
+Build-Depends: debhelper (>= 8.0.0), cmake (>= 2.8.0), libgl1-mesa-dev (>= 7.7.0), libopenscenegraph-dev (>= 2.8.1), libopenthreads-dev (>= 2.8.1), libqt4-dev (>= 4:4.6.0), libqtwebkit-dev (>= 2.0.0), zlib1g-dev (>= 1:1.2.3.4.dfsg), libboost-dev (>= 1.42.0), libboost-program-options-dev (>= 1.42.0), libboost-thread-dev (>= 1.42.0), libboost-filesystem-dev (>= 1.42.0), libboost-date-time-dev (>= 1.42.0), libboost-system-dev (>= 1.42.0), libboost-signals-dev (>= 1.42.0), libboost-regex-dev (>= 1.42.0), libeigen3-dev (>= 3.0.0), libbiosig-dev (>= 0.85.0), libnifti-dev (>= 2.0.0)
 Standards-Version: 3.9.2
 Homepage: http://www.openwalnut.org