Refactor out extensions-modules and rewrite mssql extension (#909)

* commting .d.ts changes

* added serverinfo to .d.ts

* maybe its working?

* works

* updated contrib

* remove unnecessary code

* fix compile errors

* init

* conitnue

* on the way to working maybe?

* close

* EVERYTHING WORKS

* moved src out of client folder

* formatting

* reenable logging

* working on build file

* fixed install service gulp command

* fix the command to properly return promises

* clean up code

* add telemetry

* formatting

* added logging/telemetry/statusview

* formatting

* address comments

* resolute vscode-language versions

build/package.json

@@ -12,12 +12,12 @@
     "azure-storage": "^2.1.0",
     "decompress": "^4.2.0",
     "documentdb": "1.13.0",
-    "extensions-modules": "file:../extensions-modules",
+    "service-downloader": "github:anthonydresser/service-downloader#0.1.2",
     "fs-extra-promise": "^1.0.1",
     "mime": "^1.3.4",
     "minimist": "^1.2.0",
     "typescript": "2.6.1",
-    "vscode": "^1.0.1",    
+    "vscode": "^1.0.1",
     "xml2js": "^0.4.17"
   },
   "scripts": {