modify karma config due to bootstrap-select directory structure change.
modify karma config due to bootstrap-select directory structure change.

jpmckearin/nya-bootstrap-select,kozer/nya-bootstrap-select,jca258/nya-bootstrap-select,van-nguyen/nya-bootstrap-select,van-nguyen/nya-bootstrap-select,iejay/nya-bootstrap-select,lordfriend/nya-bootstrap-select,tdascoli/ng-selectpicker