* project-config:
Enable plugins to listen on updates of plugin project config
Allow to set plugin configuration parameters on project creation
Allow to define per project if plugin config parameter is editable
Support inheritable project specific plugin parameters in the UI
Support project specific plugin list parameters for edit in UI
Support boolean project specific plugin parameters for edit in UI
Support int/long project specific plugin parameters for edit in UI
Support to edit project plugin configuration parameters in UI
Conflicts:
gerrit-server/src/main/java/com/google/gerrit/server/project/CreateProject.java
gerrit-server/src/main/java/com/google/gerrit/server/project/PutConfig.java
Change-Id: I9e27974f49e344c4a8696fe527f1ac129f01361c
dd34a05fdf