Moved lish plugin to bin/lish since it should not be part of the core.

Lish can be used when the RPC plugin is loaded. Renamed Lish plugin to RPC. It is better to make Lish a own program since it would not work in daemon mode.

linspector/plugins/httpserver.py

@@ -21,7 +21,6 @@ class HTTPServerPlugin(Plugin):
         self.__configuration = configuration
         self.__environment = environment
         self.__linspector = linspector
-        self.__log = log
 
     @cherrypy.expose
     def index(self):

linspector/plugins/rpc.py

@@ -7,11 +7,11 @@ from linspector.core.plugin import Plugin
 
 
 def create(configuration, environment, linspector, log):
-    return LishPlugin(configuration, environment, linspector, log)
+    return RPCPlugin(configuration, environment, linspector, log)
 
 
 # TODO: check for all required configuration options and set defaults if needed.
-class LishPlugin(Plugin):
+class RPCPlugin(Plugin):
     def __init__(self, configuration, environment, linspector, log):
         super().__init__(configuration, environment, linspector, log)
         self.__configuration = configuration