install slimerjs and casperjs

install-slimerjs-casperjs.bash

#!/usr/bin/env bash

pushd lib/packages

if [ -e "slimerjs" ]
then
    echo "Directory 'slimerjs' exists"
else
    echo "Creating 'slimerjs' directory"
    mkdir slimerjs
    curl -k -O http://download.slimerjs.org/v0.9/0.9.0/slimerjs-0.9.0-linux-x86_64.tar.bz2
    tar -xvf slimerjs-0.9.0-linux-x86_64.tar.bz2
    rm -rf slimerjs-0.9.0-linux-x86_64.tar.bz2 slimerjs
    mv slimerjs-0.9.0 slimerjs
fi

if [ -e "casperjs" ]
then
    echo "Directory 'casperjs' exists"
else
    echo "Creating 'casperjs' directory"
    mkdir casperjs
    git clone git://github.com/n1k0/casperjs.git
    pushd casperjs
    git checkout -b '1.1-beta3'
fi

popd