Update common setup code to latest.

This gets us up to date with common/setup.py and replaces custom nova
autodoc generation with the port of that code found in common.

Change-Id: I2a1c5d2c0fdcf40dbea50cc123b537adb068cdc2

.gitignore

@@ -30,3 +30,7 @@ tools/conf/nova.conf*
 *.sqlite
 *.DS_Store
 *.egg*
+.project
+.pydevproject
+doc/source/api/*
+doc/build/*

.mailmap

@@ -43,7 +43,7 @@
 <justin@fathomdb.com> <justinsb@justinsb-desktop>
 <justin@fathomdb.com> <superstack@superstack.org>
 <lorin@nimbisservices.com> <lorin@isi.edu>
-<masumotok@nttdata.co.jp> Masumoto<masumotok@nttdata.co.jp>
+<masumotok@nttdata.co.jp> <masumotok@nttdata.co.jp>
 <masumotok@nttdata.co.jp> <root@openstack2-api>
 <matt.dietz@rackspace.com> <matthewdietz@Matthew-Dietzs-MacBook-Pro.local>
 <matt.dietz@rackspace.com> <mdietz@openstack>