Prep for 2018.1 final (#683)

* Bump version number to final

* Add release date

* Mention the cached interpreter change

Author: brettcannon

CHANGELOG.md

@@ -1,6 +1,6 @@
 # Changelog
 
-## 2018.1
+## 2018.1 (01 Feb 2018)
 
 ### Thanks
 
@@ -15,6 +15,7 @@ the following people who contributed code:
 
 ### Fixed issues
 
+* Support cached interpreter locations for faster interpreter selection ([#666](https://github.com/Microsoft/vscode-python/issues/259))
 * Sending a block of code with multiple global-level scopes now works ([#259](https://github.com/Microsoft/vscode-python/issues/259))
 * Automatic activation of virtual or conda environment in terminal when executing Python code/file ([#383](https://github.com/Microsoft/vscode-python/issues/383))
 * Introduce a `Python: Create Terminal` to create a terminal that activates the selected virtual/conda environment ([#622](https://github.com/Microsoft/vscode-python/issues/622))

package.json

@@ -2,7 +2,7 @@
 	"name": "python",
 	"displayName": "Python",
 	"description": "Linting, Debugging (multi-threaded, remote), Intellisense, code formatting, refactoring, unit tests, snippets, and more.",
-	"version": "2018.1.0-rc",
+	"version": "2018.1.0",
 	"publisher": "ms-python",
 	"author": {
 		"name": "Microsoft Corporation"