Weekly release 0.2.30

Summary:
Weekly release 0.2.30:
- Several improvements to simplifier, including more aggressive simplification of !e expressions, and better simplification in the presence of == and !=
- For npm/yarn, `prepack` command renamed to `prepack-cli`
- Many refactorings and bug fixes, including #1645, #1675, #1558, #1665 (crash in REPL on http://prepack.io), #1627 (Stop generator entries from being serialized twice), #1598

Reviewed By: hermanventer

Differential Revision: D7488673

fbshipit-source-id: c76ef9a745634abcdbe08b0a9ac9ff9d7c27fc85

package.json

@@ -1,6 +1,6 @@
 {
   "name": "prepack",
-  "version": "0.2.30-alpha.0",
+  "version": "0.2.30",
   "description": "Execute a JS bundle, serialize global state and side effects to a snapshot that can be quickly restored.",
   "homepage": "https://github.com/facebook/prepack",
   "repository": {