Add PyPy nightly builds
Add pypy3-2.4.0-src (#277)
Update `require_distro` of pypy-2.4.0 on Linux x86/amd64
Rename build definitions of pypy nightly build
Import rbenv changes at 7e0e85bdda092d94aef0374af720682c6ea8999d
Revert a fix for #101 to fix broken tests relating to `PYENV_NATIVE_EXT`
Add pip-rehash
Update Makefile. Use same path configuration as travis-ci.
Merge pull request #280 from yyuu/rbenv-7e0e85bd

Import recent changes from rbenv
remove 2.7.9 release candidate
Add release version of 2.7.9 (fixes #284)
ignore bats/ directory cloned by tests
Merge pull request #285 from joshfriend/python-279

Add Python 2.7.9
Merge pull request #286 from joshfriend/ignore-bats

Ignore the bats/ directory cloned by tests
Use `3.4` branch for `3.4-dev` (fixes #287)
Add `3.5-dev` (#287)
Fix building _dev_ versions
v20141211 (fixes #288)
Unset PYTHON_CFLAGS and PYTHON_CONFIGURE_OPTS for build tests
Merge pull request #289 from blueyed/unset-PYTHON_CFLAGS-in-tests

Unset PYTHON_CFLAGS for build tests