2 lines of commentary in playTest.R
named play test file properly (testPlay.R rather than playTests.R)
minor comment correction
no change
removed spaces

Merge remote-tracking branch 'bill/exp.testthat' into exp.testthat

Conflicts:
	inst/tests/testPlay.R
Added runTest.default which always returns FALSE.
Added runTest.default which always returns FALSE.
Merge branch 'master' into exp.testthat
changed order of class vector for testMe() keyphrase to avoid mistaken dispatch to some future runTest.character() method.
Merge remote-tracking branch 'bill/exp.testthat' into exp.testthat