Upgrade requirements

These all look fine. The major change I see is redis but as rq is the
only one using it and it comes from them I assume everything will work
fine.

requirements.txt

@@ -6,23 +6,23 @@
 #
 argparse==1.4.0           # via ofs
 babel==2.3.4
-beaker==1.10.0            # via pylons
+beaker==1.10.1            # via pylons
 bleach==3.0.2
-certifi==2018.10.15       # via requests
+certifi==2019.3.9         # via requests
 chardet==3.0.4            # via requests
 click==6.7
-decorator==4.3.0          # via pylons, sqlalchemy-migrate
+decorator==4.4.0          # via pylons, sqlalchemy-migrate
 fanstatic==0.12
 flask-babel==0.11.2
 flask==0.12.4
 formencode==1.3.1         # via pylons
 funcsigs==1.0.2           # via beaker
-idna==2.7                 # via requests
-itsdangerous==0.24        # via flask
+idna==2.8                 # via requests
+itsdangerous==1.1.0       # via flask
 jinja2==2.10.1
-mako==1.0.7               # via pylons
+mako==1.0.9               # via pylons
 markdown==2.6.7
-markupsafe==1.0           # via jinja2, mako, webhelpers
+markupsafe==1.1.1         # via jinja2, mako, webhelpers
 nose==1.3.7               # via pylons
 ofs==0.4.2
 pairtree==0.7.1-t
@@ -33,34 +33,34 @@ pastescript==2.0.2
 pbr==5.1.3                # via sqlalchemy-migrate
 polib==1.0.7
 psycopg2==2.7.3.2
-pygments==2.2.0           # via weberror
+pygments==2.3.1           # via weberror
 pylons==0.9.7
 pysolr==3.6.0
-python-dateutil==2.7.3
+python-dateutil==2.8.0
 python-magic==0.4.15
 pytz==2016.7
 pyutilib.component.core==4.6.4
-redis==2.10.6             # via rq
+redis==3.2.1              # via rq
 repoze.lru==0.7           # via routes
 repoze.who-friendlyform==1.0.8
 repoze.who==2.3
 requests==2.21.0
 routes==1.13
 rq==0.6.0
 simplejson==3.10.0
-six==1.11.0               # via bleach, pastescript, python-dateutil, pyutilib.component.core, sqlalchemy-migrate
+six==1.12.0               # via bleach, pastescript, python-dateutil, pyutilib.component.core, sqlalchemy-migrate
 sqlalchemy-migrate==0.12.0
 sqlalchemy==1.1.11
 sqlparse==0.2.2
 tempita==0.5.2            # via pylons, sqlalchemy-migrate, weberror
 tzlocal==1.3
 unicodecsv==0.14.1
-urllib3==1.24             # via requests
+urllib3==1.24.2           # via requests
 vdm==0.14
 webencodings==0.5.1       # via bleach
 weberror==0.13.1          # via pylons
 webhelpers==1.3
 webob==1.0.8
 webtest==1.4.3
-werkzeug==0.14.1          # via flask
+werkzeug==0.15.2          # via flask
 zope.interface==4.3.2