Also the PC.proj templates have now a correct install path default value.
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/apps/projectcenter/trunk@11943 72102866-910b-0410-8b05-ffd578937521
I also added new keys tp the PC.project files in order to be able to generate
valid *.spec.in files needed when building RPMs.
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/apps/projectcenter/trunk@11925 72102866-910b-0410-8b05-ffd578937521