jsonrpcproxy: Increase backend connection timeout to 30s

Author: chfast

scripts/jsonrpcproxy.py

@@ -36,7 +36,7 @@
 VERSION = '0.2'
 BUFSIZE = 32
 DELIMITER = ord('\n')
-BACKEND_CONNECTION_TIMEOUT=10.0
+BACKEND_CONNECTION_TIMEOUT=30.0
 INFO = """JSON-RPC Proxy
 
 Version:  {version}