pyenv 0.4.0-20140217

Changes:

* python-build: Add new CPython releases; 3.4.0
* python-build: Add new Anaconda releases; anaconda-1.9.0, anaconda-1.9.1
* python-build: Add new Miniconda releases; miniconda-3.0.4, miniconda-3.0.5, miniconda3-3.0.4, miniconda3-3.0.5
* python-build: Update default setuptools version (3.1 -> 3.3)