fixed iOS HTML5 audio playback bugs (seeking fails sometimes, so the engine is now able to attempt a number of times, then it restarts the asset loading from scratch)
fixed iOS HTML5 audio playback bugs (seeking fails sometimes, so the engine is now able to attempt a number of times, then it restarts the asset loading from scratch)

kivuto/readium-shared-js,JoMedia/readium-shared-js,dariocravero/readium-shared-js,NYPL-Simplified/readium-shared-js,readium/readium-shared-js,readium/readium-shared-js,kivuto/readium-shared-js,pmstss/readium-shared-js,dariocravero/readium-shared-js,bpyoung/readium-shared-js,bpyoung/readium-shared-js,bibliolabs/readium-shared-js,NYPL/readium-shared-js,ravn-no/readium-shared-js,pmstss/readium-shared-js,bibliolabs/readium-shared-js,ravn-no/readium-shared-js,NYPL/readium-shared-js,AccessSeoul/readium-shared-js,AccessSeoul/readium-shared-js,NYPL-Simplified/readium-shared-js