chai.js -> jasmine
mocha -> karma/jasmine/browser tests
add jasmine standalone 1.3.1
add jasmine-jsreporter
set correct source path
do not use console log by default
use browser black box test; remove karma
add sauce lab variables
retry with newer travis lib
add browser support badge
test in ie8
add more browsers
add more browsers
test minified script
try to create coverage data
re-add browser tests
remove build dir