Fix audio regression: Don't "WalkCurve" on state OFF
Revert a change in native that accidentally broke fbo:s
Add back the debug stats font to the _nofont ZIM. Just leave out the secondary font.
Update native, autotests.
reintroduce lowmem texture atlas for the qt build

added comiled lowmem version with ASCII only
add lowmem atlas, this is the automatically generated file from the atlastool
remove nofont generated *.cpp  and only add the first 127 bytes of ASCII to the lowmem generation configuration

For Qt only: using platform independent usleep and load lowmem atlas map
Merge pull request #4571 from Bigpet/lowmem_atlas_minimize

reintroduce lowmem texture atlas for the qt build