Update to use Tycho 0.11
Update to use Tycho 0.11

Change-Id: I1aafa31cee5ea181d6cf932a92bb2cb856ed928d
Signed-off-by: Matthias Sohn <446760a3fbea85cd5f8f4f5c3de304fe3a38014f@sap.com>

bols-blue/eclipse_maven_autobuild_sample,bols-blue/eclipse_maven_autobuild_sample,paulvi/egit,jdcasey/EGit,wdliu/egit,paulvi/egit,SmithAndr/egit,collaborative-modeling/egit,jdcasey/EGit,wdliu/egit,chalstrick/egit,mdoninger/egit,collaborative-modeling/egit,blizzy78/egit,SmithAndr/egit