Make image non-required in the example.
Merge pull request #17 from Gizra/image-example

Make image non-required in the example.
Remove the use of the word Gizra in the example module.
Merge pull request #18 from Gizra/generic-word

Remove the use of the word Gizra in the example module

Use "Drupal" instead.
Merge branch '7.x-1.x' into 14.