Modify Makefile install targets to set the correct owner and groups

Makefile

@@ -88,28 +88,26 @@ strip:
 install: install-uzbl-core install-uzbl-browser install-uzbl-tabbed
 
 install-uzbl-core: all
-	install -d $(INSTALLDIR)/bin
+	install -d $(INSTALLDIR)/share/uzbl/
 	install -d $(DOCDIR)
-	install -d $(INSTALLDIR)/share/uzbl/examples
-	cp -rp docs/*       $(DOCDIR)/
-	cp -rp src/config.h $(DOCDIR)/
-	cp -rp examples     $(INSTALLDIR)/share/uzbl/
-	install -m755 uzbl-core    $(INSTALLDIR)/bin/uzbl-core
-	install -m644 AUTHORS      $(DOCDIR)
-	install -m644 README       $(DOCDIR)
+	install -m644 docs/* $(DOCDIR)/
+	install -m644 src/config.h $(DOCDIR)/
+	install -m644 README $(DOCDIR)/
+	install -m644 AUTHORS $(DOCDIR)/
+	cp -r examples $(INSTALLDIR)/share/uzbl/
+	chmod 755 $(INSTALLDIR)/share/uzbl/examples/data/scripts/*
 	sed -i 's#^set prefix.*=.*#set prefix     = $(RUN_PREFIX)#' $(INSTALLDIR)/share/uzbl/examples/config/config
+	install -D -m755 uzbl-core $(INSTALLDIR)/bin/uzbl-core
 
 install-uzbl-browser:
-	install -d $(INSTALLDIR)/bin
-	install -m755 src/uzbl-browser $(INSTALLDIR)/bin/uzbl-browser
-	install -m755 examples/data/scripts/uzbl-cookie-daemon $(INSTALLDIR)/bin/uzbl-cookie-daemon
-	install -m755 examples/data/scripts/uzbl-event-manager $(INSTALLDIR)/bin/uzbl-event-manager
+	install -D -m755 src/uzbl-browser $(INSTALLDIR)/bin/uzbl-browser
+	install -D -m755 examples/data/scripts/uzbl-cookie-daemon $(INSTALLDIR)/bin/uzbl-cookie-daemon
+	install -D -m755 examples/data/scripts/uzbl-event-manager $(INSTALLDIR)/bin/uzbl-event-manager
 	sed -i 's#^PREFIX=.*#PREFIX=$(RUN_PREFIX)#' $(INSTALLDIR)/bin/uzbl-browser
 	sed -i "s#^PREFIX = .*#PREFIX = '$(RUN_PREFIX)'#" $(INSTALLDIR)/bin/uzbl-event-manager
 
 install-uzbl-tabbed:
-	install -d $(INSTALLDIR)/bin
-	install -m755 examples/data/scripts/uzbl-tabbed $(INSTALLDIR)/bin/uzbl-tabbed
+	install -D -m755 examples/data/scripts/uzbl-tabbed $(INSTALLDIR)/bin/uzbl-tabbed
 
 # you probably only want to do this manually when testing and/or to the sandbox. not meant for distributors
 install-example-data: