Converted JavaScriptGetText test to mocha/unexpected.
Converted makeBabelJobAndApplyBabelJob test to mocha/unexpected.
Converted processImages test to mocha/unexpected.
Converted replaceDartWithJavaScript test to mocha/unexpected.
Converted runJavaScriptConditionalBlocks test to mocha/unexpected.
Converted senchaJsBuilder test to mocha/unexpected.
Remove vows.
Run mocha with -R spec on Travis.