Further Improve JumpDestAnalysis (x20 improvement)

[benaadams]

Changes

• Don't Keccak code on Create until it returns sucessfully and both account and cache are being updated (rather than always keccaking)
• Cache code in Transation processor when inserting code
• Change JumpDest Bitmap to 64bit
• Accumulate the bits in register before writing on array element change
• Use initcode in-place rather than .ToArraying a copy

Types of changes

What types of changes does your code introduce?

• Bugfix (a non-breaking change that fixes an issue)
• New feature (a non-breaking change that adds functionality)
• Breaking change (a change that causes existing functionality not to work as expected)
• Optimization
• Refactoring
• Documentation update
• Build-related changes
• Other: Description

Testing

Requires testing

• Yes
• No

If yes, did you write tests?

• Yes
• No

[LukaszRozmej]

Really great! Just few things to make it more maintainable.