Run npm update and add private and preview flags

Private stops npm publish working, which would be nonsensical anyway

In case it gets added to the vscode extension repository, preview marks it as such

Private may also prevent publishing to the vscode extension repository

editors/code/package.json

@@ -1,7 +1,9 @@
 {
     "name": "ra-lsp",
     "displayName": "ra-lsp",
-    "description": "",
+    "description": "An alternative rust language server to the RLS",
+    "preview": true,
+    "private": true,
     "version": "0.0.1",
     "publisher": "matklad",
     "repository": {
@@ -28,18 +30,18 @@
         "singleQuote": true
     },
     "dependencies": {
-        "event-stream": "^3.3.4",
+        "event-stream": "^3.3.5",
         "vscode-languageclient": "^5.1.1"
     },
     "devDependencies": {
         "@types/mocha": "^2.2.42",
-        "@types/node": "^8.10.34",
-        "prettier": "^1.14.3",
+        "@types/node": "^8.10.38",
+        "prettier": "^1.15.3",
         "tslint": "^5.11.0",
-        "tslint-config-prettier": "^1.15.0",
+        "tslint-config-prettier": "^1.17.0",
         "typescript": "^2.6.1",
-        "vsce": "^1.52.0",
-        "vscode": "^1.1.21"
+        "vsce": "^1.53.2",
+        "vscode": "^1.1.26"
     },
     "activationEvents": [
         "onLanguage:rust"