Changelog and version bump for 5.2.0

CHANGELOG.md

@@ -2,6 +2,13 @@
 
 ## Current Develop Branch
 
+## 5.2.0 Mon Dec 11 2018
+
+- [#5704] Implements new gas customization features for sending, confirming and speeding up transactions
+- [#5886] Groups transactions - speed up, cancel and original - by nonce in the transaction history list
+- [#5892] bugfix: eliminates infinite spinner issues caused by switching quickly from a loading network that ultimately fails to resolve
+- [$5902] bugfix: provider crashes caused caching issues in `json-rpc-engine`. Fixed in (https://github.com/MetaMask/json-rpc-engine/commit/6de511afbd03ccef4550ea43ff4010b7d7a84039)
+
 ## 5.1.0 Mon Dec 03 2018
 
 - [#5860](https://github.com/MetaMask/metamask-extension/pull/5860): Fixed an infinite spinner bug.
@@ -17,7 +24,7 @@
 - [#5835](https://github.com/MetaMask/metamask-extension/pull/5835): Open full-screen UI on install
 - Locked versions for some dependencies to avoid possible issues from event-stream hack.
 - [#5831](https://github.com/MetaMask/metamask-extension/pull/5831): Hide app-header when provider request pending
-- [#5786](https://github.com/MetaMask/metamask-extension/pull/5786): * transactions - autofill gasPrice for retry attempts with either the recomened gasprice or a %10 bump
+- [#5786](https://github.com/MetaMask/metamask-extension/pull/5786): * transactions - autofill gasPrice for retry attempts with either the recomened gasprice or a %10 bump
 - [#5801](https://github.com/MetaMask/metamask-extension/pull/5801): transactions - ensure err is defined when setting tx failed
 - [#5792](https://github.com/MetaMask/metamask-extension/pull/5792): Consider HW Wallets for signTypedMessage
 - [#5829](https://github.com/MetaMask/metamask-extension/pull/5829): Show disabled cursor in .network-disabled state

app/manifest.json

@@ -1,7 +1,7 @@
 {
   "name": "__MSG_appName__",
   "short_name": "__MSG_appName__",
-  "version": "5.1.0",
+  "version": "5.2.0",
   "manifest_version": 2,
   "author": "https://metamask.io",
   "description": "__MSG_appDescription__",