add shows to the schedule

- "Publishing JavaScript Packages" (#113) will be on 2016-07-20 (cc @jdalton, @boennemann, @thejameskyle)
- "Getting started with web audio" (#111) will be on 2016-07-27 (cc @chrislo, @alemangui, @tencircles)
- "How to be a mentor" (#117) will be on 2016-08-10 (cc @kmcrayton7, @taras, @mainroach, @JedWatson)

You'll receive an email with a link to a Google doc and more
instructions as the date of the show gets closer. Thanks!

other/schedule.md

@@ -31,10 +31,10 @@
 | 2016-06-29 | [Web Animations](/../../issues/106) |
 | 2016-07-06 | [Electron Apps](/../../issues/112) |
 | 2016-07-13 | [Automated Accessibility Testing with aXe-core](/../../issues/108) |
-| 2016-07-20 | [](/../../issues/) |
-| 2016-07-27 | [](/../../issues/) |
+| 2016-07-20 | [Publishing JavaScript Packages](/../../issues/113) |
+| 2016-07-27 | [Getting started with web audio](/../../issues/111) |
 | 2016-08-03 | [](/../../issues/) |
-| 2016-08-10 | [](/../../issues/) |
+| 2016-08-10 | [How to be a mentor](/../../issues/117) |
 | 2016-08-17 | [](/../../issues/) |
 | 2016-08-24 | [](/../../issues/) |
 | 2016-08-31 | [](/../../issues/) |