Upgrade more packages

requirements/pip.txt

@@ -3,7 +3,7 @@ pip==9.0.1
 appdirs==1.4.3
 virtualenv==15.1.0
 docutils==0.14
-Sphinx==1.6.6
+Sphinx==1.7.0
 sphinx_rtd_theme==0.2.5b1
 Pygments==2.2.0
 mkdocs==0.17.2
@@ -15,10 +15,10 @@ readthedocs-build<2.1
 # django-tastypie 0.13.x and 0.14.0 are not compatible with our code
 django-tastypie==0.13.0
 
-django-haystack==2.6.1
+django-haystack==2.7.0
 celery-haystack==0.10
 django-guardian==1.4.9
-django-extensions==1.9.9
+django-extensions==2.0.0
 
 # djangorestframework 3.7.x drops support for django 1.9.x
 djangorestframework==3.6.4
@@ -34,7 +34,7 @@ defusedxml==0.5.0
 # Basic tools
 redis==2.10.6
 celery==4.1.0
-django-allauth==0.34.0
+django-allauth==0.35.0
 dnspython==1.15.0
 
 # VCS
@@ -47,7 +47,7 @@ pyquery==1.4.0
 
 # Utils
 django-gravatar2==1.4.2
-pytz==2017.3
+pytz==2018.3
 beautifulsoup4==4.6.0
 Unipath==1.1
 django-kombu==0.9.4
@@ -63,7 +63,7 @@ django-dynamic-fixture==2.0.0
 docker-py==1.3.1
 django-textclassifier==1.0
 django-annoying==0.10.4
-django-messages-extends==0.5
+django-messages-extends==0.6.0
 djangorestframework-jsonp==1.0.2
 
 # Docs