GRIM: Filter savegame list to avoid EMI-saves polluting it.
GIT: Adding emacs files to .gitignore
GRIM/EMI: Fix confirmation dialogue
EMI: Fix loading saves from main menu
EMI/GRIM: Fix show only saves for selected game in main menu
Merge pull request #737 from karjonas/EMI_load

EMI/GRIM: Loading from main menu fixes
Merge pull request #736 from karjonas/dialogue

Wrong confirmation dialogue
EMI: Support for datausr.m4b, with gui option
EMI: Draw background layers at intervals

Previously, we split the background layers into everything
before SO 15 and after, and drew like that. However, this caused
the pink ship in shi.setb to not be drawn.

This patch draws the layers of the background at intervals of ten.
So if a set has six layers, layer 5 is the background and 4,3,2,1,0
are rendered at sortorder 40,30,20,10,0.
Merge pull request #733 from somaen/filterGrimSaves

GRIM: Filter savegame list to avoid EMI-saves polluting it.
EMI: Filter savegame list to avoid GRIM-saves polluting it.
EMI: Fix sound doesn't continue after continue pause
GRIM/EMI: Fix the EMI intro fade animations: Add transparency support to drawBitmap and createMaterial
GRIM/EMI: OpenGL Intro fixes mirrored to TinyGL