1.5.3 progress. Added multi-confirmation and code refactorings

NebulaAuth:
- Added MAAC and PortableMaClient for multi-confirmations
- Code clean-ups, removed unused classes, refactoring of old files
- SteamLib updated
- Localization and UI updates
- Dependcies updated to the last version

LegacyConverter:
 - Added mode to decrypt mafiles

changelog/1.5.3.html

@@ -47,10 +47,10 @@
             padding: 0 15px;
         }
 
-            .description ul {
+        .description ul {
                 list-style: inside square;
                 padding: 0;
-            }
+        }
 
         @media only screen and (max-width: 600px) {
             .changelog-container {
@@ -69,8 +69,16 @@
             <div class="version">Version 1.5.3</div>
             <div class="date">DATE</div>
             <div class="description">
+                - NEWS: Official telegram group created. Join us at <a href="https://t.me/nebulaauth">t.me/nebulaauth</a> <br />
+                - UPDATE: Auto-confirmation was reworked. Now every account has separate timer settings <br />
                 - UPDATE: Added hyperlink to troubleshooting guide in "Linking" window <br />
-                - UI: Minor design and localization improvements
+                - UPDATE: Added "switch auto-confirm view" button that shows enabled aut-confirm accounts<br />
+                - UI: Added "Copy RCode" button after linking account <br />
+                - UI: Auto-confirm timers now use icons instead of text-chips <br />
+                - UI: Minor design and localization improvements <br />
+                - UI: Hyperlink "by achies" now leads to "achiez/NebulaAuth-Steam-Desktop-Authenticator-by-Achies" instead of "achiez/"<br />
+                - DEV: Big code clean-ups and refactoring <br />
+                - DEV: Updated dependency and SteamLib libraries <br />
             </div>
         </div>
     </div>