Add Python 2.7 user binary folder to `PATH` env var

Signed-off-by: Pang Yan Han <pangyanhan@gmail.com>
bashrc - solve Sphinx unknown locale error on install

Based on:

    http://stackoverflow.com/questions/10921430/fresh-installation-of-sphinx-quickstart-fails

Signed-off-by: Pang Yan Han <yanhan@viki.com>
vimrc - enable modelines

Signed-off-by: Pang Yan Han <yanhan@viki.com>
vimrc - use Ruby syntax highlighting for *.thor files

Signed-off-by: Pang Yan Han <yanhan@viki.com>