More explicit path setup for BSD cron environment.

git-svn-id: svn://svn.icculus.org/fs2open/trunk@10680 387891d4-d844-0410-90c0-e4c51a9137d3
Preliminary MSVC 201x support for the nightly/release build system.

git-svn-id: svn://svn.icculus.org/fs2open/trunk@10681 387891d4-d844-0410-90c0-e4c51a9137d3