Revert "Malene for std(1) oppdateres til GPL v3. På tide."

This reverts commit 0e03e2dc0e0773a466d4859d2cf1a719d1ed186a.

Conflicts:
	Lib/std/bash
	Lib/std/erlang

204164f8-4ab1-11e4-8c53-c80aa9e67bbd
Revert "Update to GPL v3 + delete COPYING, use ../COPYING instead"

This reverts commit 2afd07fdbd1e65198898facbda41e7a042c6174c.

3628858e-4ab2-11e4-a3e3-c80aa9e67bbd
Delete Lib/std/c/COPYING, it's obsolete

a3060c76-4ab2-11e4-882b-c80aa9e67bbd
Change the remaining files under Lib/std/ to GPL 2

36b7e822-4ab3-11e4-b434-c80aa9e67bbd
Restore updated GPL parts, postal address → web address

efbd6b16-4ab4-11e4-8009-c80aa9e67bbd
Merge branch 'std_gpl3-to-gpl2'

Change files under Lib/std/ from "GPL v3 or later" back to "GPL v2 or
later". Don't want to be incompatible with "GPL v2 only" projects.

* std_gpl3-to-gpl2:
  Restore updated GPL parts, postal address → web address
  Change the remaining files under Lib/std/ to GPL 2
  Delete Lib/std/c/COPYING, it's obsolete
  Revert "Update to GPL v3 + delete COPYING, use ../COPYING instead"
  Revert "Malene for std(1) oppdateres til GPL v3. På tide."

7d8aa080-4ab5-11e4-bfbf-c80aa9e67bbd