Minor changes

CliClient/app/base-command.js

@@ -32,10 +32,6 @@ class BaseCommand {
 		return this.compatibleUis().indexOf(ui) >= 0;
 	}
 
-	aliases() {
-		return [];
-	}
-
 	options() {
 		return [];
 	}

CliClient/app/command-mkbook.js

@@ -14,10 +14,6 @@ class Command extends BaseCommand {
 		return _('Creates a new notebook.');
 	}
 
-	aliases() {
-		return ['mkdir'];
-	}
-
 	async action(args) {
 		let folder = await Folder.save({ title: args['new-notebook'] }, { userSideValidation: true });		
 		app().switchCurrentFolder(folder);

ElectronClient/app/ElectronAppWrapper.js

@@ -132,7 +132,8 @@ class ElectronAppWrapper {
 	// Note: this must be called only after the "ready" event of the app has been dispatched
 	createTray(contextMenu) {
 		try {
-			this.tray_ = new Tray(this.buildDir() + '/icons/16x16.png')
+			const iconFilename = this.env_ === 'dev' ? '16x16-dev.png' : '16x16.png';
+			this.tray_ = new Tray(this.buildDir() + '/icons/' + iconFilename)
 			this.tray_.setToolTip(this.electronApp_.getName())
 			this.tray_.setContextMenu(contextMenu)