Fix warnings and items that do not conform to strict.
Also add a fairly lenient jshintrc. usage: jshint js_file
(Bitbake rev: 93a1e05a5d6bd19e689126bfef0df8caa0d8bf34)
Signed-off-by: Michael Wood <michael.g.wood@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>