random: rename to random_choice to avoid conflict

config.json.example

@@ -144,7 +144,7 @@
       "positive": ["I like it."],
       "negative": ["I don't like it."]
     },
-    "random": {
+    "randomchoice": {
       "commands": ["choose"],
       "separator": "or",
       "not_enough": "Not enough choices!"

edmond/plugins/random_choice.py

@@ -3,7 +3,7 @@ import random
 from edmond.plugin import Plugin
 
 
-class RandomPlugin(Plugin):
+class RandomChoicePlugin(Plugin):
 
     REQUIRED_CONFIGS = ["commands", "separator", "not_enough"]