SlapOS code has been moved to: http://git.erp5.org/gitweb/slapos.git

Increment since most recent (incremental OR full) backup. Thanks to this
incrementals are deltas between them, but still the newest full would be used
in case if it is more recent then last incremental.

This reverts commit eac0cc35.

gcc is "incompatible" from version to version in accepted parameters.

There is no rule to put install in /usr/bin.

As gcc 4.6.0 treats more warnings as errors, memcached compilation fails.
Solution took from original bug report for memcached.

As slapos.recipe.erp5 depends on Zope2 in order to generate Zope2 aware
scripts reuse this dependency and import needed method instead of
rewriting it.

Required utils are basename, tr and uname