Add mailing list and IRC channel
Merge pull request #166 from hoxworth/new-discussion-venues

Add mailing list and IRC channel
Removed multijson license
Merge pull request #167 from iainbeeston/remove_multijson_readme

Removed multijson license
Extend common-test-suite to ignore individual test cases
Don't skip ignored tests, ignore them entirely
Merge pull request #171 from mpalmer/cts-individual-tests

Extend common-test-suite to ignore individual test cases
require test_helper in all tests
Fix typo in filename
test helpers: assert_valid, refute_valid

Including partial conversion of the tests to using it in those cases
where it was a trivial emacs macro. There are many additional calls to
validation that I did not attempt to rewrite yet.
Use assert/refute valid in TestExtendedSchema