scripted-diff: Rename mininode to p2p

-BEGIN VERIFY SCRIPT-
sed -i 's/\.mininode/\.p2p/g' $(git grep -l "mininode")
git mv test/functional/test_framework/mininode.py test/functional/test_framework/p2p.py
-END VERIFY SCRIPT-

test/functional/p2p_node_network_limited.py

@@ -9,7 +9,7 @@ and that it responds to getdata requests for blocks correctly:
     - send a block within 288 + 2 of the tip
     - disconnect peers who request blocks older than that."""
 from test_framework.messages import CInv, MSG_BLOCK, msg_getdata, msg_verack, NODE_NETWORK_LIMITED, NODE_WITNESS
-from test_framework.mininode import P2PInterface, p2p_lock
+from test_framework.p2p import P2PInterface, p2p_lock
 from test_framework.test_framework import BitcoinTestFramework
 from test_framework.util import (
     assert_equal,