Rename ~reload to ~emptydb

Reload now effectively empties the database completely,
so rename the function for clarity.

Change-Id: I5c30a89213e462dd3777052d6a6c2714039bbb76

README.rst

@@ -133,8 +133,8 @@ You have to be a channel operator (+o) to use admin commands.
 ~newday
   Removes now/next/location entries, to be run at the start of a new day
 
-~reload
-  Resets the database entirely (reloads from configuration)
+~emptydb
+  Resets the database entirely to minimal contents
 
 ~fetchdb URL
   Fetches JSON DB from specified URL. Any JSON key specified will replace

ptgbot/bot.py

@@ -153,8 +153,8 @@ class PTGBot(SASL, SSL, irc.bot.SingleServerIRCBot):
                 return
             words = msg.split()
             command = words[0][1:].lower()
-            if command == 'reload':
-                self.data.reload()
+            if command == 'emptydb':
+                self.data.empty()
             elif command == 'fetchdb':
                 url = words[1]
                 self.send(chan, "Loading DB from %s ..." % url)

ptgbot/db.py

@@ -165,7 +165,7 @@ class PTGDataBase():
         self.data['location'] = {}
         self.save()
 
-    def reload(self):
+    def empty(self):
         self.data = copy.deepcopy(self.BASE)
         self.save()