rename relative to relative_to_parent, because a weird compile error in vs2010, shit...
(cherry picked from commit bad40c58f1685fee0c21525a2a0f772dea2eba46)
clear particle lua binding
(cherry picked from commit 94f4b85aeb072103b5a5ad9c4e54569252d8879a)
add PVR_API macro
(cherry picked from commit a478864e52d2b65016d4a80f7b783d557c38d6c8)
loadRaw should directly return if image source is raw data
(cherry picked from commit aaa90b236ab64fa5ca02e8726937f76d88b5633b)