CB-7471 added translation information to the coho docs
Clarify the role of shrinkwrap. Other minor improvements.
Updated the version of gnode.

This was breaking CI tests.
Note that cordova-lib depends on cordova-js. Update command for testing plugman.
CB-7574 generate plugins as a zip archive instead npm pack
Capture some of the updated process for shrinkwrap
Freshen the docs based on a recent release.

- add quotes around operands in "if" statements to handle null values.
- update the version of the test plugin to match its parent version.
- use the curated release notes when grabbing text for the blog entry.
- update the local repo after a push so "repo-status" reports correctly.