Cleanup vcproj files and make it almost build with 1.7 (CaelumLab can't be made to link out of the box with both 1.6 and 1.7).
Slightly cleanup PostBuild.bat: Always use windows slash order; fail if OGRE_HOME is mising; improve path echo message.
Authored by: cdleonard 2009-05-31
Parent: [r441]
Child: [r443]