change TPC logs to info by default

logging_config.js

 
     // Logging level adjustments for verbose modules:
     'modules/xmpp/strophe.util.js': 'log',
-    'modules/statistics/CallStats.js': 'info'
+    'modules/statistics/CallStats.js': 'info',
+    'modules/RTC/TraceablePeerConnection.js': 'info'
 };
 
 /* eslint-enable no-unused-vars, no-var */

package.json

     "jquery-i18next": "1.2.0",
     "js-md5": "0.6.1",
     "jwt-decode": "2.2.0",
-    "lib-jitsi-meet": "github:jitsi/lib-jitsi-meet#515374c8d383cb17df8ed76427e6f0fb5ea6ff1e",
+    "lib-jitsi-meet": "github:jitsi/lib-jitsi-meet#2aa85ad1719f81541ac1a3582f1369e2f4d1f5c2",
     "lodash": "4.17.4",
     "moment": "2.19.4",
     "nuclear-js": "1.4.0",