add checkbox to not rule out skipping mods just because the version is correct in fsoinstaller.properties

git-svn-id: svn://svn.icculus.org/fs2open@10607 387891d4-d844-0410-90c0-e4c51a9137d3
bump version

git-svn-id: svn://svn.icculus.org/fs2open@10608 387891d4-d844-0410-90c0-e4c51a9137d3
Added a $Minimum Engine Volume ship table entry for specifying the minimum engine sound volume used when ship is stationary.

git-svn-id: svn://svn.icculus.org/fs2open@10609 387891d4-d844-0410-90c0-e4c51a9137d3
Added a $Thruster Glow Noise Mult ship table entry for decreasing/increasing the effect of noise applied to the glow radius.

git-svn-id: svn://svn.icculus.org/fs2open@10610 387891d4-d844-0410-90c0-e4c51a9137d3
Fix issues added in r10587

git-svn-id: svn://svn.icculus.org/fs2open@10611 387891d4-d844-0410-90c0-e4c51a9137d3
Added a $Model Icon Direction ship table entry for overriding the angle from which ship icons are rendered from.

git-svn-id: svn://svn.icculus.org/fs2open@10612 387891d4-d844-0410-90c0-e4c51a9137d3