plugin install alias added

docs/man_pages/lib-management/plugin-add.md

@@ -27,6 +27,7 @@ General | `$ tns plugin add <Plugin>`
 Command | Description
 ----------|----------
 [plugin](plugin.html) | Lets you manage the plugins for your project.
+[plugin install](plugin-install.html) | Installs the specified plugin and its dependencies.
 [plugin remove](plugin-remove.html) | Uninstalls the specified plugin and its dependencies.
 [plugin find](plugin-find.html) | Finds NativeScript plugins in npm.
 [plugin search](plugin-search.html) | Finds NativeScript plugins in npm.

docs/man_pages/lib-management/plugin-install.md

@@ -0,0 +1,34 @@
+plugin install
+==========
+
+Usage | Synopsis
+------|-------
+General | `$ tns plugin install <Plugin>`
+
+<% if(isConsole) { %>Installs the specified plugin and any packages that it depends on.<% } %>
+<% if(isHtml) { %>Installs the specified plugin and its dependencies in the local `node_modules` folder, adds it to the `dependencies` section in `package.json`, and prepares the plugin for all installed platforms. If you have not configured any platforms for the project, the NativeScript CLI will prepare the plugin when you add a platform. For more information about working with plugins, see [NativeScript Plugins](https://github.com/NativeScript/nativescript-cli/blob/master/PLUGINS.md).<% } %>
+
+### Attributes
+
+* `<Plugin>` is a valid NativeScript plugin, specified by any of the following.
+    * A `<Name>` or `<Name>@<Version>` where `<Name>` is the name of a plugin that is published in the npm registry and `<Version>` is a valid version of this plugin.
+    * A `<Local Path>` to the directory which contains the plugin, including its `package.json` file.
+    * A `<Local Path>` to a `.tar.gz` archive containing a directory with the plugin and its `package.json` file.
+    * A `<URL>` which resolves to a `.tar.gz` archive containing a directory with the plugin and its `package.json` file.
+    * A `<git Remote URL>` which resolves to a `.tar.gz` archive containing a directory with the plugin and its `package.json` file.
+
+<% if(isHtml) { %>
+### Prerequisites
+
+* Verify that the plugin that you want to add contains a valid `package.json` file. Valid `package.json` files contain a `nativescript` section.
+
+### Related Commands
+
+Command | Description
+----------|----------
+[plugin](plugin.html) | Lets you manage the plugins for your project.
+[plugin add](plugin-add.html) | Installs the specified plugin and its dependencies.
+[plugin remove](plugin-remove.html) | Uninstalls the specified plugin and its dependencies.
+[plugin find](plugin-find.html) | Finds NativeScript plugins in npm.
+[plugin search](plugin-search.html) | Finds NativeScript plugins in npm.
+<% } %>

lib/bootstrap.ts

@@ -84,6 +84,7 @@ $injector.requireCommand("plugin|*list", "./commands/plugin/list-plugins");
 $injector.requireCommand("plugin|find", "./commands/plugin/find-plugins");
 $injector.requireCommand("plugin|search", "./commands/plugin/find-plugins");
 $injector.requireCommand("plugin|add", "./commands/plugin/add-plugin");
+$injector.requireCommand("plugin|install", "./commands/plugin/add-plugin");
 $injector.requireCommand("plugin|remove", "./commands/plugin/remove-plugin");
 
 $injector.require("doctorService", "./services/doctor-service");

lib/commands/plugin/add-plugin.ts

@@ -8,13 +8,13 @@ export class AddPluginCommand implements ICommand {
 
 	canExecute(args: string[]): IFuture<boolean> {
 		return (() => {
-			if(!args[0]) {
+			if (!args[0]) {
 				this.$errors.fail("You must specify plugin name.");
 			}
 
 			let installedPlugins = this.$pluginsService.getAllInstalledPlugins().wait();
 			let pluginName = args[0].toLowerCase();
-			if(_.some(installedPlugins, (plugin: IPluginData) => plugin.name.toLowerCase() === pluginName)) {
+			if (_.some(installedPlugins, (plugin: IPluginData) => plugin.name.toLowerCase() === pluginName)) {
 				this.$errors.failWithoutHelp(`Plugin "${pluginName}" is already installed.`);
 				return false;
 			}
@@ -25,4 +25,4 @@ export class AddPluginCommand implements ICommand {
 
 	public allowedParameters: ICommandParameter[] = [];
 }
-$injector.registerCommand("plugin|add", AddPluginCommand);
+$injector.registerCommand(["plugin|add", "plugin|install"], AddPluginCommand);