Trunk sync r10471.

git-svn-id: svn://svn.icculus.org/fs2open/branches/zookeeper@10472 387891d4-d844-0410-90c0-e4c51a9137d3
Trunk sync r10479.

git-svn-id: svn://svn.icculus.org/fs2open/branches/zookeeper@10480 387891d4-d844-0410-90c0-e4c51a9137d3
Renamed "$Max Shield Recharge Percent" to "$Max Shield Recharge", along with the associated variables.

git-svn-id: svn://svn.icculus.org/fs2open/branches/zookeeper@10490 387891d4-d844-0410-90c0-e4c51a9137d3