Update CHANGELOG. Bump to v0.20.0

Author: wingrunr21

CHANGELOG.md

@@ -1,3 +1,15 @@
+### 0.20.0 - Aug 7 2018
+First release with the proof of concept internal language server
+
+Notable Changes:
+* [Language Server - proof of concept](https://github.com/rubyide/vscode-ruby/pull/366) by [wingrunr21](https://github.com/wingrunr21)
+
+Bug Fixes:
+* [Respect the bundler option when formatting](https://github.com/rubyide/vscode-ruby/pull/357) by [narinari](https://github.com/narinari)
+
+Enhanced Documentation:
+* [Fixes broken anchor link in README](https://github.com/rubyide/vscode-ruby/pull/362) by [ecbrodie](https://github.com/ecbrodie)
+
 ### 0.19.0 - Jun 19 2018
 Notable Changes:
 * [Fix bug where word match includes colon](https://github.com/rubyide/vscode-ruby/pull/353) by [toddmazierski](https://github.com/toddmazierski)

package.json

@@ -1,11 +1,11 @@
 {
-  "name": "Ruby",
+  "name": "ruby",
   "displayName": "Ruby",
-  "version": "0.19.0",
+  "version": "0.20.0",
   "publisher": "rebornix",
   "description": "Provides Ruby language and debugging support for Visual Studio Code",
   "author": {
-    "name": "Peng Lv"
+    "name": "Stafford Brunk"
   },
   "contributors": [
     {
@@ -144,7 +144,7 @@
         "ruby.useLanguageServer": {
           "type": "boolean",
           "default": false,
-          "description": "Use experimental built-in language server"
+          "description": "Use built-in language server"
         },
         "ruby.codeCompletion": {
           "type": [