Material API: fix regression caused by previous commit 69e9e7c40308444f4762ce0b4835b0b3e62c162c
. Lots of importers use explicit template syntax for AddProperty(), changing to overloads now called the fallback template version. This caused material properties to be often registered as BINARY (instead of FLOAT, INT).
Merge branch 'master' of github.com:assimp/assimp