build-lily: add example usage and a todo
lily-build: add todo
change fres alias to a function (allows to specify files)
change git amending alias
add 'edit' alias
build-lily: derive build subdir from commit. Default to 'current'
build-lily: add -w option to disable colors
build-lily: rewrite help, add examples, change timeout
build-lily: warn when untracked files present
build-lily: automatically detect number of processor threads
add misc snippets
make launcher functions fres and edit smarter

(support any number of command line arguments)
change 'lily' alias to a function