Sentry Integration (#212)

* Fixed a parsing case

* Integrated Sentry into the solution with anonymous users. Fixed some parsing issues and added BuildInfo into a separate project.

* Fixed some bad parser regex

* Removed bad reference to NLog

* Cleanup of some files not needed

Kavita.Common/HashUtil.cs

@@ -0,0 +1,37 @@
+using System;
+using System.Text;
+
+namespace Kavita.Common
+{
+    public static class HashUtil
+    {
+        public static string CalculateCrc(string input)
+        {
+            uint mCrc = 0xffffffff;
+            byte[] bytes = Encoding.UTF8.GetBytes(input);
+            foreach (byte myByte in bytes)
+            {
+                mCrc ^=  (uint)myByte << 24;
+                for (var i = 0; i < 8; i++)
+                {
+                    if ((Convert.ToUInt32(mCrc) & 0x80000000) == 0x80000000)
+                    {
+                        mCrc = (mCrc << 1) ^ 0x04C11DB7;
+                    }
+                    else
+                    {
+                        mCrc <<= 1;
+                    }
+                }
+            }
+
+            return $"{mCrc:x8}";
+        }
+
+        public static string AnonymousToken()
+        {
+            var seed = $"{Environment.ProcessorCount}_{Environment.OSVersion.Platform}_{Environment.MachineName}_{Environment.UserName}";
+            return HashUtil.CalculateCrc(seed);
+        }
+    }
+}