From Gerri and me: - only enable Bonjour on Linux/MacOSX/iOS - call sub-make's with -j1 (in case ./configure is called via make -jn in   reconfigure)
From Gerri and me:
- only enable Bonjour on Linux/MacOSX/iOS
- call sub-make's with -j1 (in case ./configure is called via make -jn in
  reconfigure)


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@36956 27541ba8-7e3a-0410-8455-c3a389f83636

dawehner/root,bbannier/ROOT,dawehner/root,bbannier/ROOT,bbannier/ROOT,dawehner/root,dawehner/root,dawehner/root,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,dawehner/root,dawehner/root,dawehner/root,bbannier/ROOT