Update style of client strings.

(imported from commit 1516461cf53b2715de68e01f16bb8a8cc33c48ad)

bots/check-mirroring

@@ -43,7 +43,7 @@ zulip_client = zulip.Client(
     email=zulip_user,
     api_key="xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
     verbose=True,
-    client="test: Zulip monitoring",
+    client="ZulipMonitoring/0.1",
     site=options.site)
 
 # Configure logging

bots/sync-public-streams

@@ -10,7 +10,7 @@ import unicodedata
 sys.path.append(os.path.join(os.path.dirname(__file__), '..', 'api'))
 import zulip
 
-zulip_client = zulip.Client()
+zulip_client = zulip.Client(client="ZulipSyncPublicStreamsBot/0.1")
 
 def fetch_public_streams():
     public_streams = set()

bots/tddium-notify-humbug

@@ -49,6 +49,7 @@ sys.path.append(zulip_directory)
 import zulip
 
 client = zulip.Client(
+    client  = "ZulipTddiumNotifier/0.1",
     email   = os.environ['ZULIP_USER'],
     api_key = os.environ.get('ZULIP_API_KEY'))