[Patches] Assigning icons to four items of source editor menu.

Original Reporter info from Mantis: FTurtle @FTurtle

• Reporter name:

Description:

Assigning icons to four items of source editor menu.
See pictures.

Mantis conversion info:

• Mantis ID: 34987
• Build: 60269
• Version: 2.1 (SVN)
• Fixed in version: 2.1 (SVN)
• Fixed in revision: 60365 (#6ec5e93d)
• Target version: 2.0.2