add requirejs 2.1.15 for tests
add requirejs 2.1.15 for tests

bakerfranke/code-dot-org,bakerfranke/code-dot-org,cloud3edu/code-dot-org-old,ty-po/code-dot-org,bakerfranke/code-dot-org,rvarshney/code-dot-org,dillia23/code-dot-org,rvarshney/code-dot-org,bakerfranke/code-dot-org,dillia23/code-dot-org,dillia23/code-dot-org,cloud3edu/code-dot-org-old,cloud3edu/code-dot-org-old,bakerfranke/code-dot-org,rvarshney/code-dot-org,dillia23/code-dot-org,rvarshney/code-dot-org,cloud3edu/code-dot-org-old,ty-po/code-dot-org,dillia23/code-dot-org,dillia23/code-dot-org,dillia23/code-dot-org,pickettd/code-dot-org,cloud3edu/code-dot-org-old,ty-po/code-dot-org,rvarshney/code-dot-org,cloud3edu/code-dot-org-old,ty-po/code-dot-org,dillia23/code-dot-org,ty-po/code-dot-org,pickettd/code-dot-org,bakerfranke/code-dot-org,pickettd/code-dot-org,pickettd/code-dot-org,ty-po/code-dot-org,bakerfranke/code-dot-org,rvarshney/code-dot-org,rvarshney/code-dot-org,cloud3edu/code-dot-org-old,rvarshney/code-dot-org,pickettd/code-dot-org,pickettd/code-dot-org,pickettd/code-dot-org,ty-po/code-dot-org,ty-po/code-dot-org,pickettd/code-dot-org