Started Gravity Management

Gravity Manager Added, Player modified...(needs changing)
Test
Revert "Started Gravity Management"

This reverts commit 4fd66348dc8ef4414be1c393d135b4f6dbb8446d.
Revert "Revert "Started Gravity Management""

This reverts commit 0dcb2da7f7a24c2eaf01be874db46d47403b7365.
Revert "Test"

This reverts commit 8ed2d09275fe52a6a68064e68a9d4c460587c228.