Jetpack: Tidy up some logging calls, and add them to the WP-CLI code.

git-svn-id: https://plugins.svn.wordpress.org/jetpack/trunk@798666 b8457f37-d9ea-0310-8a92-e5e31aec5664
Contributors: Add richardmtl and obenland.



git-svn-id: https://plugins.svn.wordpress.org/jetpack/trunk@798668 b8457f37-d9ea-0310-8a92-e5e31aec5664