[web] Make button "Delete all" remove only orders from current se… (#49)

- Make button "Delete all" remove only orders from current selected power.
- Reorganize code
- [web] Remove bugged and useless function gameReloaded() from game page.
- This function caused error `engine.getPhaseType is not a function` for
  games with deadlines.
- Move function saveGameToDisk into its own file.
- [web] Add documentation to methods involved in orders management to help understand what happens.
- Move methods getServerOrders() from game GUI component to game engine object.
- Rename method onSetNoOrders to onSetEmptyOrdersSet.
- Rename property in PowerActionsForm: onNoOrders => onPass.
- [web] Update sending orders to send request clearOrders when local orders list is null.

- Renamed local file:
  - components/power_order => power_orders
  - forms/power_actions_form => power_order_creation_form

- Move power orders buttons bar to a separate file:
  - components/power_orders_actions_bar

- [web] Improve messages about local/server defined orders.

1 files changed, 29 insertions, 0 deletions

diff --git a/diplomacy/web/src/gui/components/tab.jsx b/diplomacy/web/src/gui/components/tab.jsx
new file mode 100644
index 0000000..f1ad4aa
--- /dev/null
+++ b/diplomacy/web/src/gui/components/tab.jsx
@@ -0,0 +1,29 @@
+import React from "react";
+import PropTypes from "prop-types";
+
+export class Tab extends React.Component {
+    render() {
+        const style = {
+            display: this.props.display ? 'block' : 'none'
+        };
+        const id = this.props.id ? {id: this.props.id} : {};
+        return (
+            <div className={'tab mb-4 ' + this.props.className} style={style} {...id}>
+                {this.props.children}
+            </div>
+        );
+    }
+}
+
+Tab.propTypes = {
+    display: PropTypes.bool,
+    className: PropTypes.string,
+    id: PropTypes.string,
+    children: PropTypes.oneOfType([PropTypes.array, PropTypes.object])
+};
+
+Tab.defaultProps = {
+    display: false,
+    className: '',
+    id: ''
+};