refactor(karma.conf.js): update karma file
refactor(package.json): update file
refactor(bower.json): change configuration, version num., etc..
feat(karma.underscore): for travis
fix(gruntfile): warp concatnation in closure
fix(travis.yml): before_script yask
fix(travis.yml): before_script task
fix(bower): update ignore
fix(travis.yml): before_script task