change the default sqlite timeout to 30 seconds

this should make the bot wait longer for table locks, assuming i
read the docs right

Module.py

@@ -174,7 +174,7 @@ class Module(object):
         """
 
         dbfile = self.config.get('dr.botzo', 'database')
-        conn = sqlite3.connect(dbfile)
+        conn = sqlite3.connect(dbfile, 30)
         conn.row_factory = sqlite3.Row
 
         # setup regexp function in sqlite

modules/Markov.py

@@ -475,9 +475,7 @@ class Markov(Module):
         values = []
         try:
             # need to create our own db object, since this is likely going to be in a new thread
-            dbfile = self.config.get('dr.botzo', 'database')
-            db = sqlite3.connect(dbfile)
-            db.row_factory = sqlite3.Row
+            db = self.get_db()
             query = 'SELECT target, chance FROM markov_chatter_target'
             cursor = db.execute(query)
             results = cursor.fetchall()