Using --force with brew cask android-studio

android-studio doesn't have automatic updates yet, so including the
force option.
Adding brew cask cleanup to brew.sh
Nesting scripts in script under directories based on type of script
Print to standard output from rake tasks calling scripts
Correcting osx.sh path in rake task
Add pip task to rakefile
Adding manuel, A grunt-inspired task runner for bash
Adding brew-install task to manuel