Issue #6: Improve README.md.

README.md

@@ -1,3 +1,42 @@
 # OpenEuropa Task Runner
 
-[![Build Status](https://travis-ci.org/ec-europa/oe-task-runner.svg?branch=master)](https://travis-ci.org/ec-europa/oe-task-runner)
+[![Build Status](https://travis-ci.org/ec-europa/oe-task-runner.svg?branch=master)](https://travis-ci.org/ec-europa/oe-task-runner)
+
+PHP task runner based on Robo.
+
+After installation run `./vendor/bin/run` and check each command's help:
+
+```bash
+$ ./vendor/bin/run
+OpenEuropa Task Runner 
+
+Usage:
+  command [options] [arguments]
+
+Options:
+  -h, --help                           Display this help message
+  -q, --quiet                          Do not output any message
+  -V, --version                        Display this application version
+      --ansi                           Force ANSI output
+      --no-ansi                        Disable ANSI output
+  -n, --no-interaction                 Do not ask any interactive question
+      --simulate                       Run in simulated mode (show what would have happened).
+      --progress-delay=PROGRESS-DELAY  Number of seconds before progress bar is displayed in long-running task collections. Default: 2s. [default: 2]
+  -D, --define=DEFINE                  Define a configuration item value. (multiple values allowed)
+      --working-dir=WORKING-DIR        Working directory, defaults to current working directory. [default: "."]
+  -v|vv|vvv, --verbose                 Increase the verbosity of messages: 1 for normal output, 2 for more verbose output and 3 for debug
+
+Available commands:
+  help                       Displays help for a command
+  list                       Lists commands
+ changelog
+  changelog:generate         [changelog:g|cg] Generate a changelog based on GitHub issues and pull requests.
+ drupal
+  drupal:component-scaffold  [dcs] Scaffold Drupal component development.
+  drupal:site-install        [drupal:si|dsi] Install target site.
+ setup
+  setup:behat                [setup:b|sb] Setup Behat.
+  setup:phpunit              [setup:p|sp] Setup PHPUnit.
+  setup:replace              [setup:p|sp] Replace configuration tokens in a text file.
+
+```