Auto-update dependencies. (GoogleCloudPlatform#1234)

* Auto-update dependencies.

* Drop pytest-logcapture as it's no longer needed

Change-Id: Ia8b9e8aaf248e9770db6bc4842a4532df8383893

Author: dpebot

appengine/flexible/pubsub/requirements.txt

@@ -1,3 +1,3 @@
 Flask==0.12.2
-google-cloud-pubsub==0.29.0
+google-cloud-pubsub==0.29.1
 gunicorn==19.7.1

iot/api-client/scripts/requirements.txt

@@ -1 +1 @@
-google-cloud-pubsub==0.29.0
+google-cloud-pubsub==0.29.1

pubsub/cloud-client/requirements.txt

@@ -1 +1 @@
-google-cloud-pubsub==0.29.0
+google-cloud-pubsub==0.29.1

storage/cloud-client/requirements.txt

@@ -1,2 +1,2 @@
 google-cloud-storage==1.6.0
-google-cloud-pubsub==0.29.0
+google-cloud-pubsub==0.29.1

testing/requirements.txt

@@ -6,8 +6,7 @@ mock==2.0.0
 mysql-python==1.2.5; python_version < "3.0"
 PyCrypto==2.6.1
 pytest-cov==2.5.1
-pytest==3.2.5
-pytest-capturelog==0.7
+pytest==3.3.0
 pyyaml==3.12
 responses==0.8.1
 WebTest==2.0.29