All software releases which are consider unstable and not mantained were
 moved to "unstable" folder. This folder is aims to be the place for tests,
 experimentation, personal releases which are not updated or tested for long
 term support.

also explicitly use our own giflib and libtiff.

so that we don't need to differentiate software/erp5/software.cfg in erp5-component branch.

zc.buildout >= 1.6.0-dev-SlapOS-013 automatically rebuilds parts whose referring parts are modified.

Conflicts:
	component/apache/buildout.cfg
	stack/monitor/buildout.cfg

apache-frontend: update documentation for per frontend configuration