Create grunt tasks for installing client and server dependencies

README.md

@@ -75,6 +75,8 @@ Selfoss uses [composer](https://getcomposer.org/) for installing external librar
 
 For the client side, you will also need JavaScript dependencies installed by calling `npm install` in the `public` directory.
 
+If you want to create a package with all the dependencies bundled, you will additionally require [grunt](https://gruntjs.com/). After installing it, execute `npm install` in the selfoss directory to obtain the required tasks. Then you can run `grunt` command to produce a zipball. As a bonus, you can also use `grunt install` as a shortcut for installing the selfoss dependencies described above.
+
 CREDITS
 -------
 

gruntfile.js

@@ -151,7 +151,10 @@ module.exports = function(grunt) {
         }
     });
 
-    grunt.registerTask('default', ['auto_install', 'composer:install:no-dev:optimize-autoloader:prefer-dist', 'versionupdater', 'compress']);
+    grunt.registerTask('client:install', 'Install client-side dependencies.', ['auto_install']);
+    grunt.registerTask('server:install', 'Install server-side dependencies.', ['composer:install:no-dev:optimize-autoloader:prefer-dist']);
+    grunt.registerTask('install', 'Install both client-side and server-side dependencies.', ['client:install', 'server:install']);
+    grunt.registerTask('default', ['install', 'versionupdater', 'compress']);
     grunt.registerTask('version', ['versionupdater']);
     grunt.registerTask('zip', ['compress']);
 };