#2 Change class package name

[Andrii Kuplevakhskyi]

Change class package name.

All classes are located in the package

gpl.lonelysingleton.sleepwalker.*

It should be changed to

org.sleepwalker.*

or

gpl.sleepwalker.*

The author name must be removed from the package name.

[Andrii Kuplevakhskyi]

Setting Resolution to Accepted.