Add support for voice acting in fiction viewer.

git-svn-id: svn://svn.icculus.org/fs2open/trunk@10755 387891d4-d844-0410-90c0-e4c51a9137d3
Added multiple scripting features related to messaging as requested by Axem.

git-svn-id: svn://svn.icculus.org/fs2open/trunk@10756 387891d4-d844-0410-90c0-e4c51a9137d3
bump version

git-svn-id: svn://svn.icculus.org/fs2open/trunk@10757 387891d4-d844-0410-90c0-e4c51a9137d3
Fix mantis 3048 (From MageKing17)

Fix "more" & offsets in [cmd|de|]briefings

git-svn-id: svn://svn.icculus.org/fs2open/trunk@10758 387891d4-d844-0410-90c0-e4c51a9137d3