Updated multiple requirements

This is in preparation for an upgrade to Django 1.8.

XCOM-586

requirements/base.txt

@@ -7,8 +7,8 @@ django-libsass==0.3
 django-oscar==1.1
 django_simple_history==1.6.1
 django-waffle==0.10.1
-djangorestframework==3.1.2
-djangorestframework-jwt==1.5.0
+djangorestframework==3.1.3
+djangorestframework-jwt==1.7.1
 edx-auth-backends==0.1.3
 jsonfield==1.0.3
 libsass==0.8.2

requirements/test.txt

 # Packages required for testing
 -r base.txt
 
-bok-choy==0.3.4
+bok-choy==0.4.3
 coverage==3.7.1
 ddt==1.0.0
-django-nose==1.3
-django_dynamic_fixture==1.8.1
-httpretty==0.8.8
-mock==1.0.1
-mock-django==0.6.8
+django-nose==1.4.1
+django_dynamic_fixture==1.8.5
+httpretty==0.8.10
+mock==1.3.0
+mock-django==0.6.9
 nose-ignore-docstring==0.2
 pep8==1.6.2
 pylint==1.4.4
-selenium==2.45.0
-testfixtures==4.1.2
+selenium>=2.47.1
+testfixtures==4.2.0
 
 git+https://github.com/edx/ecommerce-api-client.git@1.1.0#egg=ecommerce-api-client==1.1.0