Use specific version of setuptools because the current version(0.6c12dev_r88997) is not working
Revert "Use specific version of setuptools because the current version(0.6c12dev_r88997) is not working" because was commited in the wrong branch

This reverts commit 99bbbf512d57a3f3bc351c5ec74922233640afce.
increase the maximum number of open file descriptors before starting mysqld.

so that we can really have max_connections=1000 as written in mariadb.cnf.
Merge branch 'master' into erp5-component