move fork maintance files setup into their own function
move lnif() out of SETUP FUNCTIONS section
finish passing arguments to create_symlinks()
fix 3 more indents
rename app_dir to APP_PATH
get APP_PATH from the environment if exists
rename git_branch to REPO_BRANCH
make REPO_BRANCH settable in the environment
BC BREAK: rename git_uri to REPO_URI
mkdir -p $repo_path instead of making bundle dir explictly