js: convert ko.logging to jetpack module
http://bugs.activestate.com/show_bug.cgi?id=101935

(integrated from komodo (trunk) change 83624 by marky)

git-svn-id: http://svn.openkomodo.com/repos/openkomodo/trunk@14173 b87d16e7-d29f-4ee1-b5ec-817d645d335f
js: logging: unit tests for logging; fix use of logging in unit tests
http://bugs.activestate.com/show_bug.cgi?id=101935

Note that the tests are for the JS wrapper, not the Python module.

(integrated from komodo (trunk) change 83625 by marky)

git-svn-id: http://svn.openkomodo.com/repos/openkomodo/trunk@14174 b87d16e7-d29f-4ee1-b5ec-817d645d335f