Add some pbx python stuff


git-svn-id: http://svn.asterisk.org/svn/asterisk/trunk@423237 f38db490-d61c-443f-a65b-d21fe96a405b
pbx/Makefile: Revert r423237

This patch was supposed to go into a team branch, but I was a bit fast on the
gun before 'svn switch' had apparently moved the target branch over.


git-svn-id: http://svn.asterisk.org/svn/asterisk/trunk@423238 f38db490-d61c-443f-a65b-d21fe96a405b