Comment 2 for bug 1330152

One more bug will be solved by getting updated source from
https://github.com/JoseExposito/touchegg

The other bug involves the pinch zoom in not working (actually recognized as zoom out)
https://code.google.com/p/touchegg/issues/detail?id=243&q=pinch
caused by change in geis (see https://bugs.launchpad.net/geis/+bug/986215)
that changed ratio from <0 and .>0 to always positive <1 and >1