Feature/code cleanup (#9)

* Implemented hasSettingsLoaded reducer
* Added Padding to Progress List View
* Created Settings and Time Progress List Store Connector
* Rewritten Home Active Tab
* Fixed missing onTap in Progress List Tile
* Started using new Store Connectors in Inactive and Settings Tab
* Created Time Progress Store Connector
* Rewritten ProgressDetailScreen with new Store Connectors
* Rewritten DatePickerBtn with TextButton
* Deleted unused widget
* Changed Foreground Color behaviour in ColorPicker BTN
* Created Select Duration Button
* Rewritten Duration Setting Widget
* Updated Version Number

Signed-off-by: Andreas Fahrecker <AndreasFahrecker@gmail.com>

lib/widgets/buttons/create_progress_button.dart

@@ -0,0 +1,18 @@
+import 'package:flutter/material.dart';
+import 'package:time_progress_tracker/screens/progress_creation_screen.dart';
+
+class CreateProgressButton extends StatelessWidget {
+  final String _heroTag = "createProgressBTN";
+
+  @override
+  Widget build(BuildContext context) {
+    void _onButtonPressed() =>
+        Navigator.pushNamed(context, ProgressCreationScreen.routeName);
+
+    return FloatingActionButton(
+      heroTag: _heroTag,
+      child: Icon(Icons.add),
+      onPressed: _onButtonPressed,
+    );
+  }
+}