Stop using crate, PyPI is now a CDN.

.travis.yml

@@ -3,8 +3,6 @@ python:
   - "2.6"
   - "2.7"
 before_install:
-  - export PIP_USE_MIRRORS=true
-  - export PIP_INDEX_URL=https://simple.crate.io/
   - sudo apt-get update
   - sudo apt-get install csstidy libxml2-dev libxslt-dev
 install:
@@ -15,9 +13,6 @@ script:
 env:
   - DJANGO=1.3.7
   - DJANGO=1.4.5
-  - DJANGO=1.5
-branches:
-  only:
-    - develop
+  - DJANGO=1.5.1
 notifications:
   irc: "irc.freenode.org#django-compressor"