Add missing dependency to org.slf4j to org.eclipse.egit.ui
Add missing dependency to org.slf4j to org.eclipse.egit.ui

This dependency is needed to fix ClassNotFoundException reported in Bug
509008.

Bug: 509008
Change-Id: I0497794aab97b4d10f0cedb6fba0633c6d10e837
Signed-off-by: Matthias Sohn <446760a3fbea85cd5f8f4f5c3de304fe3a38014f@sap.com>
collaborative-modeling/egit,collaborative-modeling/egit