UX Overhaul (#300)

* Add "global actions" to title bar

* Implement actions

* Add "speed dial" action buttons

* tweak global action icons

* Refactor actions for "stock item" display

* Refactor "part" detail

* part category

* SupplierPart

* More updates

* Add BottomAppBar

* Add a global bottom app bar

* Move "edit" buttons back to the app bar

* tweaks

* Updates to drawer navigation menu

* home screen improvements

* text tweaks

* Fix appBarTitle for notifications widget

* Update "tabs" for category display

* Fix for attachment widget

* Update tabs for purchaseorder view

* Update part display

* Cleanup

* Add "BOM" tab to part detail widget

* Paginated list search cleanup

* Update release notes

* Update old function

* linting

* linting

* Tweaks to bottomappbar

- Increase icon size slightly
- Adjust "actions" icon

lib/settings/settings.dart

@@ -1,8 +1,10 @@
 import "package:flutter/material.dart";
 import "package:font_awesome_flutter/font_awesome_flutter.dart";
+import "package:package_info_plus/package_info_plus.dart";
 
 import "package:inventree/app_colors.dart";
 import "package:inventree/l10.dart";
+import "package:inventree/settings/about.dart";
 import "package:inventree/settings/app_settings.dart";
 import "package:inventree/settings/home_settings.dart";
 import "package:inventree/settings/login.dart";
@@ -22,6 +24,16 @@ class _InvenTreeSettingsState extends State<InvenTreeSettingsWidget> {
 
   final _scaffoldKey = GlobalKey<ScaffoldState>();
 
+  /*
+   * Load "About" widget
+   */
+  Future<void> _about() async {
+    PackageInfo.fromPlatform().then((PackageInfo info) {
+      Navigator.push(context,
+          MaterialPageRoute(builder: (context) => InvenTreeAboutWidget(info)));
+    });
+  }
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -31,9 +43,7 @@ class _InvenTreeSettingsState extends State<InvenTreeSettingsWidget> {
       ),
       body: Center(
         child: ListView(
-          children: ListTile.divideTiles(
-            context: context,
-            tiles: <Widget>[
+          children: [
               ListTile(
                   title: Text(L10().server),
                   subtitle: Text(L10().configureServer),
@@ -65,9 +75,14 @@ class _InvenTreeSettingsState extends State<InvenTreeSettingsWidget> {
                 onTap: () {
                   Navigator.push(context, MaterialPageRoute(builder: (context) => InvenTreePartSettingsWidget()));
                 }
+              ),
+              Divider(),
+              ListTile(
+                title: Text(L10().about),
+                leading: FaIcon(FontAwesomeIcons.circleInfo),
+                onTap: _about,
               )
             ]
-          ).toList()
         )
       )
     );