quickfix, follow-up to https://github.com/readium/readium-js/pull/88  (mathJaxURl config parameter for RequireJS)
quickfix, follow-up to https://github.com/readium/readium-js/pull/88  (mathJaxURl config parameter for RequireJS)

looknear/readium-js-viewer,AndyHubert/readium-js-viewer,kivuto/readium-js-viewer,NYULibraries/readium-js-viewer,becka11y/readium-js-viewer,becka11y/readium-js-viewer,NYULibraries/readium-js-viewer,mrmayfield/readium,GermanCentralLibraryForTheBlind/readium-js-viewer,cene-co-za/readium-js-viewer,mrmayfield/readium,readium/readium-js-viewer,readium/readium-js-viewer,GermanCentralLibraryForTheBlind/readium-js-viewer,cene-co-za/readium-js-viewer,kivuto/readium-js-viewer,AndyHubert/readium-js-viewer,looknear/readium-js-viewer