add .gitignore
ignore ert.el
defensive quoting
avoid byte-compiling on Emacs 22.x
revert quoting which choked Travis
though it is apparently sensible
new URLs for ert.el
the github mirror is gone
the git URLs are faster than the bzr equivalents
doc/comment
support on older Emacs version
gitignore autoload files
gitignore bytecode files
gitignore backup files