exactlyImageGenerator 1.1.1

Interface improvements on top of 1.1.0. Requires Jahia 8.2 with jContent 3.7 or later.

Upgrading: the first sync after the upgrade makes a thumbnail for each style (one Exactly.ai call and one image download per style, once).

• The screens use the full width of jContent, with the same margin on both sides (they stopped at 1200 px).
• The styles list shows a thumbnail of each style (its first training image), so you can see what a style looks like, and dates in a short format. Thumbnails are made once at sync (160 px, a few kB, kept on the style node) and refreshed when training images change, so opening the list no longer downloads anything from Exactly.ai.
• Form fields no longer repeat their control's id (the label container had the same id), which screen readers and tests tripped on.
• Generated images keep their own ratio in the results instead of a letterboxed square.
• The file name example in the Generation step reads red-bicycle.jpg.
• The module description (shown by the module manager and the Store) describes what the module does.

Full changelog: CHANGELOG.md