* [mocha] use custom reporter for legible results in jenkins
* [jest] use custom result processor for legible results in jenkins
* [karma] enable junit output on CI
* [mocha/junitReporter] accept rootDirectory as configuration
* [jest/reporter] use reporters option added in jest 20
* [toolingLog] remove black/white specific colors
* [dev/mocha/junit] no reason for junit to be a "reporter"
* typos
* [dev/mocha/junit] use else if
* [karma/junit] use string#replace for explicitness
* [junit] use test file path as "classname"
* [ftr/mocha] no longer a "console" specific reporter
* [babel] create babel-preset and babel-register modules
* [babel-preset] add comments to babel-preset-env.target choices
* [babel-preset] use more normal BUILT_WITH_BABEL signal
* [babel-register] extended comment about filtering ./src in dist
* [babel-preset] stage of class properties has changed, sorta
(cherry picked from commit 48d35f81fd)
