Initial 1.7 update (doesn't compile)
More work on 1.7 update.
More 1.7 changes.
Update names for core changes.
Code cleanup.
Update access transformer.
Update access transformer for required mars transformations.
Update for some entity gravity changes.
Fix event injection pointing to wrong location.
Add bytecode injection for rendering moon footprints.
Significantly clean up class transformer.

Signed-off-by: Mitch Petrie <mitchpetrie29@gmail.com>
Merge 1.7 branch