Whip up tasks by adding them to gulpkl
@param gulp
@param taste
@param opts
function whip(gulp, taste, opts) {
    opts = getOptions(opts);
    opts.taste = taste;

    var tasks = _.extend({}, opts.tasksets);

    // loop through plugins so we can get tasks from them
    _.each(getPlugins(opts), function (plugin) {
        var pluginRoot = plugin.rootDir;
        var pluginBuildDir = pluginRoot + delim + 'build';

        // look through files in the plugin build directory to try and find tasks
        if (fs.existsSync(pluginBuildDir)) {
            _.each(fs.readdirSync(pluginBuildDir), function (pluginFile) {
                var taskName, task;

                // if the file name starts with 'task.' then it is a task file
                if (taskRegex.test(pluginFile)) {

                    // the task name is the middle part of the file name (i.e. blah for task.blah.js)
                    taskName = pluginFile.match(taskRegex)[1];
                    task = require(pluginBuildDir + delim + pluginFile)(gulp, opts);

                    // if task is function or an object with deps and task
                    if (_.isFunction(task) || (task.deps && task.task)) {
                        tasks[taskName] = task;
                    }
                    // else if it's an object, then there are subtasks
                    else if (_.isObject(task)) {
                        _.each(task, function (subtask, subtaskName) {
                            var fullTaskName = subtaskName === '' ? taskName : taskName + '.' + subtaskName;
                            tasks[fullTaskName] = subtask;
                        });
                    }
                    else {
                        throw new Error(pluginBuildDir + delim + pluginFile + ' is invalid');
                    }
                }
            });
        }
    });

    // now we have all the tasks in an object so let's add them to gulp
    _.each(tasks, function (task, taskName) {
        if (_.isFunction(task) || _.isArray(task)) {
            gulp.task(taskName, task);
        }
        else if (task.deps && task.task) {
            gulp.task(taskName, task.deps, task.task);
        }
        else {
            throw new Error('Invalid task for ' + taskName);
        }
    });
}