fix vs2010 compile error, need a comma...
Revert "fix vs2010 compile error, need a comma..."

This reverts commit 5f92c4d7513b8fbadc09023b5b0a3fc69297847e.
rename relative to relative_to_parent, because a weird compile error in vs2010, shit...
clear particle lua binding
add PVR_API macro
update windows solution to add libpvr project