SIPML5 fix for Chrome v35

DLTS Chrome 35 SIPML5 fix

/*
* Chrome 35 forced dtls fix
*/
var tmedia_session_jsep01$prev = tmedia_session_jsep01;
tmedia_session_jsep01 = function tmedia_session_jsep01(o_mgr) {
	tmedia_session_jsep.call(this, o_mgr);
	this.o_media_constraints =
	{ 'mandatory':
	{
		'OfferToReceiveAudio': !!(this.e_type.i_id & tmedia_type_e.AUDIO.i_id),
		'OfferToReceiveVideo': !!(this.e_type.i_id & tmedia_type_e.VIDEO.i_id)
	},
		'optional': [{
			DtlsSrtpKeyAgreement: false
		}]
	};

	if(tsk_utils_get_navigator_friendly_name() == 'firefox'){
		tmedia_session_jsep01.mozThis = this;
		this.o_media_constraints.mandatory.MozDontOfferDataChannel = true;
	}
};

for(var key in tmedia_session_jsep01$prev){
	if(tmedia_session_jsep01$prev.hasOwnProperty(key)){
		tmedia_session_jsep01[key] = tmedia_session_jsep01$prev[key];
	}
}
tmedia_session_jsep01.prototype = tmedia_session_jsep01$prev.prototype;