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.Client/Services/SystemService.cs

@@ -0,0 +1,32 @@
+using System.Net.Http;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Components;
+using Oqtane.Shared;
+using System.Collections.Generic;
+
+namespace Oqtane.Services
+{
+    public class SystemService : ServiceBase, ISystemService
+    {
+        
+        private readonly SiteState _siteState;
+        private readonly NavigationManager _navigationManager;
+
+        public SystemService(HttpClient http, SiteState siteState, NavigationManager navigationManager) : base(http)
+        {
+            
+            _siteState = siteState;
+            _navigationManager = navigationManager;
+        }
+
+        private string Apiurl
+        {
+            get { return CreateApiUrl(_siteState.Alias, _navigationManager.Uri, "System"); }
+        }
+
+        public async Task<Dictionary<string, string>> GetSystemInfoAsync()
+        {
+            return await GetJsonAsync<Dictionary<string, string>>(Apiurl);
+        }
+    }
+}