prototype install script
[install] bugfixes
Update Ubuntu recipe
[install] update dependencies for ubuntu
[install] print message about matplotlib configuration
[install] improve distribution detection
[install] fix python version to 2.7 for now
[install] make install recipe configurable
[install] add --only-deps option
[install] print summary before installation
[install] set PYTHONPATH when using --only-deps
[install] add --without-system-packages option
[install] add --virtualenv-dir option
[install] be more verbose
[install] add help on using the new virtualenv
fixup logging.warn usage in install script
[install] added ubuntu_13_04
[install] update default recipe
Merge branch 'install_script'