Updated Django development version in the build matrix.

Author: Omer Katz

.travis.yml

@@ -33,7 +33,7 @@ install:
     - sudo apt-get install python-dev python3-dev libopenjpeg-dev zlib1g-dev libjpeg-turbo8-dev libtiff4-dev libjpeg8-dev libfreetype6-dev liblcms2-dev libwebp-dev tcl8.5-dev tk8.5-dev python-tk
     - if [[ $PYMONGO == 'dev' ]]; then travis_retry pip install https://github.com/mongodb/mongo-python-driver/tarball/master; true; fi
     - if [[ $PYMONGO != 'dev' ]]; then travis_retry pip install pymongo==$PYMONGO; true; fi
-    - if [[ $DJANGO == 'dev' ]]; then travis_retry pip install https://www.djangoproject.com/download/1.7c1/tarball/; fi
+    - if [[ $DJANGO == 'dev' ]]; then travis_retry pip install https://www.djangoproject.com/download/1.7c2/tarball/; fi
     - if [[ $DJANGO != 'dev' ]]; then travis_retry pip install Django==$DJANGO; fi
     - travis_retry pip install https://pypi.python.org/packages/source/p/python-dateutil/python-dateutil-2.1.tar.gz#md5=1534bb15cf311f07afaa3aacba1c028b
     - travis_retry python setup.py install