[BUG #7810] rename tasks.js in task.js
[BUG #7810] rename tasks dir into task
[BUG #7810] rename packages dir into package
[BUG #7810] rename dependencies dir into dependency
[BUG #7810] rename libraries dir into library (part 1/2)
[BUG #7810] rename libraries dir into library (part 2/2)
[BUG #7810] rename locales dir into locale (part 1/2)
[BUG #7810] rename locales dir into locale (part 2/2)
[BUG #7810] rename resources dir into resource (part 1/2)
[BUG #7810] rename resources dir into resource (part 2/2)
[BUG #7810] rename stray translations into translation
[BUG #8143] rename all packages in source task (singular)