Travis CI test conditional MODE (build matrix) command exec (Surge.sh cloud reader upload)
Travis CI test conditional MODE (build matrix) command exec (Surge.sh cloud reader upload)

AndyHubert/readium-js-viewer,readium/readium-js-viewer,NYULibraries/readium-js-viewer,looknear/readium-js-viewer,kivuto/readium-js-viewer,GermanCentralLibraryForTheBlind/readium-js-viewer,AndyHubert/readium-js-viewer,GermanCentralLibraryForTheBlind/readium-js-viewer,readium/readium-js-viewer,looknear/readium-js-viewer,NYULibraries/readium-js-viewer,kivuto/readium-js-viewer