Not working on Safari

[danielpetisme]

Issue initialized on the vertx-dev ML
https://groups.google.com/d/msg/vertx-dev/Z4pCqMeux6I/O0JH9hpJAAAJ

Bug confirmed, Safari behavior regarding forced download (ie. client side downloads) is particular.
This issue is also met by FileSaver.js
eligrey/FileSaver.js#129
Until a proper answer of FileSaver.js, the forge will not be compatible with Safari.