Refresh the base image and the python requirements.

Dockerfile.buildworker

@@ -1,4 +1,4 @@
-FROM phusion/baseimage:0.9.13
+FROM phusion/baseimage:0.9.15
 
 ENV DEBIAN_FRONTEND noninteractive
 ENV HOME /root

Dockerfile.web

@@ -1,4 +1,4 @@
-FROM phusion/baseimage:0.9.13
+FROM phusion/baseimage:0.9.15
 
 ENV DEBIAN_FRONTEND noninteractive
 ENV HOME /root

requirements.txt

@@ -1,58 +1,57 @@
 APScheduler==3.0.0
 Flask==0.10.1
 Flask-Login==0.2.11
-Flask-Mail==0.9.0
+Flask-Mail==0.9.1
 Flask-Principal==0.4.0
 Flask-RESTful==0.2.12
 Jinja2==2.7.3
 LogentriesLogger==0.2.1
 Mako==1.0.0
 MarkupSafe==0.23
-Pillow==2.5.1
-PyGithub==1.25.0
+Pillow==2.6.0
+PyGithub==1.25.1
 PyMySQL==0.6.2
-PyPDF2==1.22
+PyPDF2==1.23
 PyYAML==3.11
 SQLAlchemy==0.9.7
 Werkzeug==0.9.6
-alembic==0.6.5
 git+https://github.com/DevTable/aniso8601-fake.git
 git+https://github.com/DevTable/anunidecode.git
-argparse==1.2.1
+alembic==0.6.7
+backports.ssl-match-hostname==3.4.0.2
 beautifulsoup4==4.3.2
 blinker==1.3
-boto==2.32.0
-coverage==3.7.1
-docker-py==0.4.0
+boto==2.32.1
+docker-py==0.5.0
 ecdsa==0.11
-futures==2.1.6
+futures==2.2.0
 gevent==1.0.1
-greenlet==0.4.2
+gipc==0.4.0
+greenlet==0.4.4
 gunicorn==18.0
-hiredis==0.1.4
+hiredis==0.1.5
 html5lib==0.999
 itsdangerous==0.24
-jsonschema==2.3.0
+jsonschema==2.4.0
 marisa-trie==0.6
-mixpanel-py==3.1.3
-mock==1.0.1
 git+https://github.com/NateFerrero/oauth2lib.git
-paramiko==1.14.0
-peewee==2.2.5
+mixpanel-py==3.2.0
+paramiko==1.15.1
+peewee==2.3.3
+psycopg2==2.5.4
 py-bcrypt==0.4
 pycrypto==2.6.1
 python-dateutil==2.2
-python-ldap==2.4.15
+python-ldap==2.4.17
 python-magic==0.4.6
-pytz==2014.4
-psycopg2==2.5.3
+pytz==2014.7
 raven==5.0.0
-redis==2.10.1
+redis==2.10.3
 reportlab==2.7
-requests==2.3.0
-six==1.7.3
+requests==2.4.3
+six==1.8.0
 stripe==1.19.0
 tzlocal==1.1.1
-websocket-client==0.11.0
+websocket-client==0.18.0
 wsgiref==0.1.2
 xhtml2pdf==0.0.6