change configure/install split

make it so setup_develop happens in install instead of configure
to ensure that we can handle config file generation by itself.

Change-Id: I4801d7a0bc6642de2db5b78df1750666895f0aa3
change the install/configure split

make setup_develop part of install so that configure is only about
config file setup.

Change-Id: I1ed58011e41c550d3ab2ba33b38cfe16adb3dde4
Adjust source installs

Change-Id: Iaf38c0aed0a83ebf9a5da3505fe92c9fa200ac1e
Merge branch 'nova-api-revert' into dt-test
Merge branch 'openrc-stackenv' into dt-test
Merge branch 'sdague-conf' into dt-test
Merge branch 'config-split' into dt-test