Features:

• Change text on a sign without destroying the sign
  
• Add text color to a sign
• Change text with Anvil GUI
• Works with every sign type

Commands:

• signedit <line from 1 - 4>
  
• aliases : se, signe, sedit <line from 1 - 4>

Permissions:

• signedit.change - Players are allowed to change signs
• signedit.color - Players are allowed to add color to signs

Usage:

After typing the command signedit <line> you are in the edit mode.
Then you have to right click a sign and an anvil gui will open.
There you can type in the new text also with colorcodes and click on the
paper on the right.

TODO:

• Add custom messages
• Ideas?