Removed old useless test scene
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Prefix macros that appears in CMakeLists files
Prefix some macros with APPLESEED_
Fixed dllsymbol include guard.
Fixed indentation of DEFINE and DECLARE_ARRAY macros.
Merge pull request #621 from est77/est_prefix_macros

Prefix more macros with APPLESEED_ (Continuation of PR #612)