Add JGit source feature to update site and fix JGit category
Add JGit source feature to update site and fix JGit category

Change-Id: I50aab40f569bc701652b0acf14b72344573cdd9e
Signed-off-by: Matthias Sohn <446760a3fbea85cd5f8f4f5c3de304fe3a38014f@sap.com>
Signed-off-by: Chris Aniszczyk <2a3e0ec6821d10bf53e535c46e422f24d94584b5@gmail.com>

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