Quick fix: delay sending snapshot

This allows process recognition to happen
before missing the snapshot were originally
sending on first metrics post (and then
again 5 minutes later).

Author: pglombardo

instana/meter.py

@@ -75,7 +75,7 @@ def __init__(self, **kwds):
 
 class Meter(object):
     SNAPSHOT_PERIOD = 600
-    snapshot_countdown = 1
+    snapshot_countdown = 30
     sensor = None
     last_usage = None
     last_collect = None