LoremWidget: Ignore generated directories
LoremWidget: Remove an unused import to silence a warning
LoremWidget: Remove an unused variable to silence a warning
LoremWidget: Pass the widget ID as an extra to the activity

Note that this will not work yet as intended when using multiple widgets alternatively because Intents that only differ in extras are regarded as equal.
LoremWidget: Make the clickIntent unique by using the widget ID in the action string