change license to LGPL to conform to what's written in the forum post
since forever.

Also clarify it in the copyright message, spread the license file around
a bit, and remove some useless "last changed" dates since they've been
inaccurate for a long time.
Add hanging-from-the-ceiling sign

point at the ceiling while placing a regular sign and it becomes a ceiling-
mounted one handing from a pair of short chains.
Merge branch 'master' of https://github.com/VanessaE/homedecor_modpack.git