added system info admin page/module, improved UI for framework, module, and theme install/upgrade, added version to ModuleDefinitions, fixed bug in logging logic introduced during code standardization

Oqtane.Server/Controllers/SystemController.cs

@@ -0,0 +1,35 @@
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Authorization;
+using System.Collections.Generic;
+using Oqtane.Shared;
+using System;
+using Microsoft.AspNetCore.Hosting;
+
+namespace Oqtane.Controllers
+{
+    [Route("{site}/api/[controller]")]
+    public class SystemController : Controller
+    {
+        private readonly IWebHostEnvironment _environment;
+
+        public SystemController(IWebHostEnvironment environment)
+        {
+            _environment = environment;
+        }
+
+        // GET: api/<controller>
+        [HttpGet]
+        [Authorize(Roles = Constants.HostRole)]
+        public Dictionary<string, string> Get()
+        {
+            Dictionary<string, string> systeminfo = new Dictionary<string, string>();
+            systeminfo.Add("clrversion", Environment.Version.ToString());
+            systeminfo.Add("osversion", Environment.OSVersion.ToString());
+            systeminfo.Add("machinename", Environment.MachineName);
+            systeminfo.Add("serverpath", _environment.ContentRootPath);
+            systeminfo.Add("servertime", DateTime.Now.ToString());
+            return systeminfo;
+        }
+
+    }
+}