[WIP] Improve master layout for different devices + product growth

We have two pressing needs:

1. Improve experience on real estate challenged devices.
2. Make room for product feature-set growth.

To hit these targets, we need to develop better UX through smarter on-screen space management.

gui/app/components/layout/master-navigation.js

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+// Copyright 2016 Documize Inc. <legal@documize.com>. All rights reserved.
+//
+// This software (Documize Community Edition) is licensed under
+// GNU AGPL v3 http://www.gnu.org/licenses/agpl-3.0.en.html
+//
+// You can operate outside the AGPL restrictions by purchasing
+// Documize Enterprise Edition and obtaining a commercial license
+// by contacting <sales@documize.com>.
+//
+// https://documize.com
+
+import $ from 'jquery';
+import { notEmpty } from '@ember/object/computed';
+import { inject as service } from '@ember/service';
+import Modals from '../../mixins/modal';
+import Component from '@ember/component';
+
+export default Component.extend(Modals, {
+	tagName: 'div',
+	classNames: ['master-navigation', 'non-printable'],
+	selectedItem: '',
+	folderService: service('folder'),
+	appMeta: service(),
+	session: service(),
+	store: service(),
+	pinned: service(),
+	enableLogout: true,
+	hasPins: notEmpty('pins'),
+	hasSpacePins: notEmpty('spacePins'),
+	hasDocumentPins: notEmpty('documentPins'),
+	hasWhatsNew: false,
+	newsContent: '',
+	hideNavigation: false,
+
+	init() {
+		this._super(...arguments);
+
+		let constants = this.get('constants');
+
+		this.pins = [];
+
+		if (this.get('appMeta.authProvider') !== constants.AuthProvider.Documize) {
+			let config = this.get('appMeta.authConfig');
+			config = JSON.parse(config);
+			this.set('enableLogout', !config.disableLogout);
+		}
+
+		this.get('session').hasWhatsNew().then((v) => {
+			this.set('hasWhatsNew', v);
+		});
+
+		let version = this.get('appMeta.version');
+		let edition = this.get('appMeta.edition').toLowerCase();
+
+		let self = this;
+		let cacheBuster = + new Date();
+		$.ajax({
+			url: `https://storage.googleapis.com/documize/news/${edition}/${version}.html?cb=${cacheBuster}`,
+			type: 'GET',
+			dataType: 'html',
+			success: function (response) {
+				if (self.get('isDestroyed') || self.get('isDestroying')) return;
+				self.set('newsContent', response);
+			}
+		});
+	},
+
+	didInsertElement() {
+		this._super(...arguments);
+
+		if (this.get("session.authenticated")) {
+			this.eventBus.subscribe('pinChange', this, 'setupPins');
+			this.setupPins();
+		}
+
+		this.eventBus.subscribe('notifyUser', this, 'processNotification');
+	},
+
+	willDestroyElement() {
+		this._super(...arguments);
+
+		this.eventBus.unsubscribe('notifyUser', this, 'processNotification');
+		this.eventBus.unsubscribe('pinChange', this, 'setupPins');
+		iziToast.destroy();
+	},
+
+	setupPins() {
+		if (this.get('isDestroyed') || this.get('isDestroying')) return;
+
+		this.get('pinned').getUserPins().then((pins) => {
+			if (this.get('isDestroyed') || this.get('isDestroying')) {
+				return;
+			}
+			this.set('pins', pins);
+			this.set('spacePins', pins.filterBy('isSpace', true));
+			this.set('documentPins', pins.filterBy('isDocument', true));
+		});
+	},
+
+	processNotification(msg, type) {
+		if (this.get('isDestroyed') || this.get('isDestroying')) return;
+
+		if (!_.isUndefined(type)) {
+			switch (type) {
+				case 'info':
+					iziToast.info({
+						title: '',
+						message: msg,
+					});
+					break;
+				case 'success':
+					iziToast.success({
+						title: '',
+						message: msg,
+					});
+					break;
+				case 'warn':
+					iziToast.warning({
+						title: '',
+						message: msg,
+					});
+					break;
+				case 'error':
+					iziToast.error({
+						title: '',
+						message: msg,
+					});
+					break;
+			}
+
+			return;
+		}
+	},
+
+	actions: {
+		jumpToPin(pin) {
+			let folderId = pin.get('spaceId');
+			let documentId = pin.get('documentId');
+
+			if (_.isEmpty(documentId)) {
+				// jump to space
+				let folder = this.get('store').peekRecord('folder', folderId);
+				this.get('router').transitionTo('folder', folderId, folder.get('slug'));
+			} else {
+				// jump to doc
+				let folder = this.get('store').peekRecord('folder', folderId);
+				this.get('router').transitionTo('document', folderId, folder.get('slug'), documentId, 'document');
+			}
+		},
+
+		onNew() {
+			if (this.get('newsContent.length') > 0) {
+				this.get('session').seenNewVersion();
+				this.set('hasWhatsNew', false);
+				this.get('router').transitionTo('updates');
+			}
+		},
+
+		onBilling() {
+			if (!this.get('session.isAdmin')) {
+				return;
+			}
+
+			this.get('router').transitionTo('customize.billing');
+		}
+	}
+});