v2.0.11-beta

• add --port (-r) as a command line option. also added a port check to … #40
• fixed a minor bug that caused host value to never work apigee/microgateway-core#6
• stop replacing double slashes in the query string apigee/microgateway-core#8
• pass proxy configuration along to plugins apigee/microgateway-core#7
• allow authorization header to be preserved apigee/microgateway-plugins#2
• add support for request defaults apigee/microgateway-plugins#1