Updating Python Requirements

requirements/edx/base.txt

@@ -159,7 +159,7 @@ mako==1.0.2
 markdown==2.6.11
 markey==0.8               # via django-babel-underscore
 markupsafe==1.1.1
-maxminddb==1.4.1          # via geoip2
+maxminddb==1.5.1          # via geoip2
 mock==3.0.5
 git+https://github.com/edx/MongoDBProxy.git@d92bafe9888d2940f647a7b2b2383b29c752f35a#egg=MongoDBProxy==0.1.0+edx.2
 mongoengine==0.10.0

requirements/edx/development.txt

@@ -203,7 +203,7 @@ mando==0.6.4
 markdown==2.6.11
 markey==0.8
 markupsafe==1.1.1
-maxminddb==1.4.1
+maxminddb==1.5.1
 mccabe==0.6.1
 mock==3.0.5
 modernize==0.7

requirements/edx/testing.txt

@@ -197,7 +197,7 @@ mando==0.6.4              # via radon
 markdown==2.6.11
 markey==0.8
 markupsafe==1.1.1
-maxminddb==1.4.1
+maxminddb==1.5.1
 mccabe==0.6.1             # via flake8, pylint
 mock==3.0.5
 git+https://github.com/edx/MongoDBProxy.git@d92bafe9888d2940f647a7b2b2383b29c752f35a#egg=MongoDBProxy==0.1.0+edx.2