GRIM: Fix going to fullscreen in the demo
EMI: Skip setting up the text when it will be repositioned later.
GRIM: Fix build
GRIM: Add a swap_renderer command
GRIM: Add save and load commands
Merge pull request #968 from JoseJX/OptimizeTextSetup

EMI: Skip setting up the text when it will be repositioned later.
Merge pull request #973 from klusark/debug

GRIM: Add a few useful debugger commands.
Merge pull request #928 from klusark/fulldemo

GRIM: Fix going to fullscreen in the demo
GRIM: Fix build with GLES2
EMI: Fix actor lighting on Big Endian machines.
EMI: Fix shadows on Big Endian machines.
EMI: Fix TIL on Big Endian machines.
EMI: Fix TGA byte order on Big Endian machines.