v1.2.0-beta.2

Fixed: forwarded video would not play (#1977)

Fixed: conversation was inaccessible if group member had invalid phone
number (#1968)

Fixed: powershell warning caused cert validation of downloaded update to
fail on windows (#1976)

Fixed: 'Missing signed prekey' errors after re-link (#1979)

Add badge with unread count to the tray icon - thanks @m-pilia (#1934)
  Note: to try this test feature out, use the
   `--use-tray-icon` and `--start-in-tray` command-line arguments

Dev:
- Additional logging for sort of conversation list (#1969)
- Dependency updates, fixes required for successful release
  (#1966 and #1976)
- Log more info along with http errors (#1968)

Note: 1.2.0-beta.1 was never released - changes here:
  https://github.com/WhisperSystems/Signal-Desktop/releases/tag/v1.2.0-beta.1

package.json

@@ -3,7 +3,7 @@
   "productName": "Signal",
   "description": "Private messaging from your desktop",
   "repository": "https://github.com/WhisperSystems/Signal-Desktop.git",
-  "version": "1.2.0-beta.1",
+  "version": "1.2.0-beta.2",
   "license": "GPL-3.0",
   "author": {
     "name": "Open Whisper Systems",