Add changelog and way to view it on settings page

rootfs/standard/usr/share/mynode/changelog

@@ -0,0 +1,23 @@
+=== v0.1.44 ===
+- TODO
+
+=== v0.1.43 ===
+- Initial changelog
+- Add all the features!
+- Bitcoin Core
+- Lightning Daemon
+- Electrum Server
+- VPN
+- Tor
+- LND Hub
+- LND Connect
+- RTL
+- LND Admin
+- Set LND Alias
+- Monitor LND / Bitcoin Status
+- Bitcoin Explorer
+- Bitcoin CLI
+- Device Status
+- QuickSync
+- Drive Management
+- More...

rootfs/standard/var/www/mynode/device_info.py

@@ -122,3 +122,12 @@ def get_local_ip():
             local_ip = "error"
 
     return local_ip
+
+
+def get_device_changelog():
+    changelog = ""
+    try:
+        changelog = subprocess.check_output(["cat", "/usr/share/mynode/changelog"])
+    except:
+        changelog = "ERROR"
+    return changelog

rootfs/standard/var/www/mynode/settings.py

@@ -126,6 +126,7 @@ def page_settings():
     current_version = get_current_version()
     latest_version = get_latest_version()
 
+    changelog = get_device_changelog()
     serial_number = get_device_serial()
     device_type = get_device_type()
     product_key = get_product_key()
@@ -151,6 +152,7 @@ def page_settings():
         "product_key": product_key,
         "product_key_skipped": pk_skipped,
         "product_key_error": pk_error,
+        "changelog": changelog,
         "quicksync_status": quicksync_status,
         "is_quicksync_disabled": not is_quicksync_enabled(),
         "is_uploader_device": is_uploader(),

rootfs/standard/var/www/mynode/templates/settings.html

@@ -173,6 +173,11 @@
                     $("#quicksync_status").show();
                 });
 
+                $("#show_mynode_changelog").on("click", function() {
+                    $("#show_mynode_changelog").hide(0);
+                    $("#mynode_changelog").show();
+                });
+
                 {% if product_key_skipped %}
                 $( "#upgrade" ).button({
                     disabled: true
@@ -253,6 +258,10 @@
             </table>
             <div class="divider"></div>
 
+            <div class="settings_block_subheader">Change Log</div>
+            <button id="show_mynode_changelog" class="ui-button ui-widget ui-corner-all settings_button">View Change Log</button>
+            <div id="mynode_changelog" style='text-align: left; font-size: 12px; width: 800px; display: none;'><pre>{{changelog}}</pre></div>
+            <div class="divider"></div>
 
             <div class="settings_block_subheader">Change Password</div>
             {{password_message}}