add configuration for project Invoicing
update file config/functionrc in repository on date 2014-08-21
update file config/autocommandrc in repository on date 2014-08-22
update file config/pluginrc in repository on date 2014-08-22
Revert "remove Jedi plugin from repository"

This reverts commit 8a2c3e5331ffb13d32cb5bbac0b73040d4f38974.
update file config/ctags in repository on date 2014-08-22