Merge branch 'django1.8' into django1.9

* django1.8:
  Only warn on old systems with broken swapfile.
  httplib2 causing pip issues.
  De-vendorizing paypal.

config/requirements.txt

@@ -12,6 +12,7 @@ django-cors-middleware==1.3.1
 django-extensions==1.6.7
 django-mailgun==0.9.1
 django-oauth-toolkit==0.10.0
+django-paypal==0.5.0
 django-qurl==0.1.1
 django-paypal==1.0
 django-redis-cache==1.7.1
@@ -24,7 +25,7 @@ dnspython==1.15.0
 Fabric==1.14.0
 gunicorn==19.7
 hiredis==0.2.0
-httplib2==0.18.1
+httplib2==0.17.4
 image==1.5.27
 isodate==0.5.4
 lxml==3.6.4

fabfile.py

@@ -504,7 +504,8 @@ def pip():
         run('easy_install -U pip')
         run('pip install --upgrade pip')
         run('pip install -r requirements.txt')
-        sudo('swapoff /swapfile')
+        with settings(warn_only=True):
+            sudo('swapoff /swapfile')
 
 def solo_pip(role):
     if role == "app":