version up : git 1.9.3.

also build with our own libpcre.
version up : firefox 29.0.1.
use by-module URL instead of by-authors URL for perl modules.

also version up perl modules.
updated postgres release #
Merge remote-tracking branch 'origin/master' into erp5-component
Merge branch 'erp5-component' into erp5
Merge remote-tracking branch 'origin/master' into erp5-cluster