Standardize '/version' endpoint on all services (#1755)

src/Billing/Controllers/HomeController.cs

@@ -1,25 +0,0 @@
-using System;
-using Microsoft.AspNetCore.Authorization;
-using Microsoft.AspNetCore.Mvc;
-
-namespace Billing.Controllers
-{
-    public class HomeController : Controller
-    {
-        [HttpGet("~/alive")]
-        [HttpGet("~/now")]
-        [AllowAnonymous]
-        public DateTime GetAlive()
-        {
-            return DateTime.UtcNow;
-        }
-
-        /*
-        [Authorize]
-        public IActionResult Index()
-        {
-            return View();
-        }
-        */
-    }
-}

src/Billing/Controllers/InfoController.cs

@@ -0,0 +1,22 @@
+using System;
+using Microsoft.AspNetCore.Mvc;
+using Bit.Core.Utilities;
+
+namespace Bit.Billing.Controllers
+{
+    public class InfoController : Controller
+    {
+        [HttpGet("~/alive")]
+        [HttpGet("~/now")]
+        public DateTime GetAlive()
+        {
+            return DateTime.UtcNow;
+        }
+        
+        [HttpGet("~/version")]
+        public JsonResult GetVersion()
+        {
+            return Json(CoreHelpers.GetVersion());
+        }
+    }
+}