v1.10.0-beta.1

Media Gallery showing all attachments in a given conversation (#2291, previous: #2236)

Quotes:
  - Show 'You' in Android theme instead of your own contact name (#2312)
  - Show thumbnails for quotes of messages with video attachments (#2293)

Video attachments: show first frame preview in composition area (#2293)

Increase speed of migration to move attachments to disk from database (#2314)

Dev:
  - Add comments clarifying our mechanisms for stripping EXIF info (#2313)
  - Move to prettierjs to format our code (#2303)
  - Fix break in styleguide; make filesize/Signal.Util.GoogleChrome available (#2302)
  - Remove duplicate entry from .gitignore (#2271)

package.json

@@ -3,7 +3,7 @@
   "productName": "Signal",
   "description": "Private messaging from your desktop",
   "repository": "https://github.com/signalapp/Signal-Desktop.git",
-  "version": "1.9.0-beta.1",
+  "version": "1.10.0-beta.1",
   "license": "GPL-3.0",
   "author": {
     "name": "Open Whisper Systems",