fixed a bash bug

dunno why, but bash was interpreting the assignment of PYENV as a command
rather than a variable. fixed now
fixed a bug in theano-env

the 'set -e' line in the theano-env script propogated all the way to the
running bash terminal, which if something went wrong the entire bash
profile would crash. need something like exceptions to have the
behaviour i want
attempting to get theano-gpu tests working

wrote some scripts for theano-gpu testing and python installation testing

tried to make some changes to .vimrc in order to make it work better with
python. still a work in progress