Use my fork to build 3.6-dev

hg.python.org has moved on to 3.6-dev now, so we need a new
build definition

Author: BanzaiMan

.travis.yml

@@ -2,20 +2,21 @@ language: python
 
 env:
   global:
-    - VERSION='3.5-dev'
+    - VERSION='3.6-dev'
     - ALIAS='nightly'
     - INSTALL_DEST=/opt/python
     - PACKAGES='pip numpy nose pytest mock wheel'
 
 install:
   - pushd /opt/pyenv/
-  - sudo git checkout master
-  - sudo git pull
+  - sudo git remote add fork https://github.com/BanzaiMan/pyenv.git
+  - sudo git fetch fork
+  - sudo git checkout fork/ha-feature-py36
   - popd
 
 script:
   - pushd $HOME
-  - sudo env PYTHON_BUILD_ROOT=/opt/pyenv/plugins/python-build python-build $VERSION $INSTALL_DEST/$VERSION
+  - sudo env PYTHON_BUILD_ROOT=/opt/pyenv/plugins/python-build /opt/pyenv/plugins/python-build/bin/python-build $VERSION $INSTALL_DEST/$VERSION
   - sudo ln -s $INSTALL_DEST/$VERSION $INSTALL_DEST/$ALIAS
   - virtualenv --distribute --python=$INSTALL_DEST/$VERSION/bin/python /home/travis/virtualenv/python$VERSION
   - ln -s $HOME/virtualenv/python$VERSION $HOME/virtualenv/python$ALIAS