Implement verbose mode

features/cli/verbose.feature

@@ -0,0 +1,33 @@
+Feature: CLI verbose option
+
+  Scenario: prints tasks name
+    Given a recipe with:
+      """
+      task :say_hello do
+      end
+      """
+    When I successfully execute the recipe with option -v
+    Then the output must match /Task:.+say_hello/
+
+  Scenario: prints whether condition is met
+    Given a recipe with:
+      """
+      task :task_ok do
+        condition { true }
+      end
+      task :task_ko do
+        condition { false }
+      end
+      """
+    When I successfully execute the recipe with option -v
+    Then the output must match /task_ok.+ condition: met.*task_ko.* condition: NOT met/
+
+  Scenario: prints actions info
+    Given a recipe with:
+      """
+      task :say_hello do
+        echo 'hello message'
+      end
+      """
+    When I successfully execute the recipe with option -v
+    Then the output must match /say_hello.+ action: echo/