Enable Swift Account Management

This patch enables account management by default in Swift.  This will be
leveraged by Tempest test cases validating account management APIs.

Depends-On: Id29f5ca48f92cd139535be7064107b8a61b02856
Change-Id: Ic01432939ed9b4cf0cbf20e3244d4d76847f539f

Author: Brian Ober

lib/swift

@@ -428,6 +428,7 @@ function configure_swift {
     sed -i "/^pipeline/ { s/proxy-server/${SWIFT_EXTRAS_MIDDLEWARE_LAST} proxy-server/ ; }" ${SWIFT_CONFIG_PROXY_SERVER}
 
     iniset ${SWIFT_CONFIG_PROXY_SERVER} app:proxy-server account_autocreate true
+    iniset ${SWIFT_CONFIG_PROXY_SERVER} app:proxy-server allow_account_management true
 
     # Configure Crossdomain
     iniset ${SWIFT_CONFIG_PROXY_SERVER} filter:crossdomain use "egg:swift#crossdomain"