rx.all.compat.js broken in IE8

[mburnell]

Change 5761f5c breaks IE8 (specifically, the Scheduler.default alias is not OK, as "default" is (mis)interpreted as a keyword. Was this alias accidentally included in the compatibility version?

[benjamingr]

@mburnell make a PR that puts it in bracket notation?

[mattpodwysocki]

@mburnell my mistake, fixed!

[mburnell]

@mattpodwysocki Thanks!