Update lots and lots of definitions!

Sorry for the delay on all of this! Thanks go to everyone for being so patient, I really appreciate it.

Here are the changes:

• Add Estonian definitions
• Enhance France definitions
• Correct and enhance German definitions
• Enhance Portuguese definitions
• Add Malta definitions
• Add Serbian definitions
• Add Georgian definitions
• Use Orthodox easter calculations in appropriate regions
• Add Russian definitions
• Add Turkey definitions
• Enhance US definitions (lots of individual US states!)
• Update South Australian definitions