add .gitignore
ignore ert.el
defensive quoting
avoid byte-compiling on Emacs 22.x
revert quoting which choked Travis
though it is apparently sensible
doc/comment
testing nit: only used 22.2.1
new URLs for ert.el
the github mirror is gone
the git URLs are faster than the bzr equivalents
gitignore autoload files
gitignore bytecode files
gitignore backup files
remove setf experiment, closes #5
bump version