Sync to trunk 10060

git-svn-id: svn://svn.icculus.org/fs2open/branches/antipodes@10061 387891d4-d844-0410-90c0-e4c51a9137d3
IIt begins!

SDL2 Everywhere, from me and Flaming_Sword. Outstanding issues: FRED integration, project file updates, cleanup.


git-svn-id: svn://svn.icculus.org/fs2open/branches/antipodes@10062 387891d4-d844-0410-90c0-e4c51a9137d3
Big commit part 2: Stuff the svn missed

git-svn-id: svn://svn.icculus.org/fs2open/branches/antipodes@10063 387891d4-d844-0410-90c0-e4c51a9137d3
More missing things

git-svn-id: svn://svn.icculus.org/fs2open/branches/antipodes@10064 387891d4-d844-0410-90c0-e4c51a9137d3
...

git-svn-id: svn://svn.icculus.org/fs2open/branches/antipodes@10065 387891d4-d844-0410-90c0-e4c51a9137d3