add stratum0 logo
Merge branch 'master' into logo

Conflicts:
	samla-hook.scad
add @Obijuan/obiscad as submodule
Merge branch 'master' into logo
Merge branch 'master' into logo
add logos as submodule
add example STL with length of 40mm and stratum0-lowres logo
Merge branch 'master' into logo
modularize: add module ikea_samla_clip_with_logo() which uses ikea_samla_clip()
rename hooklength => hook_length again which was corrupted during variable moving
Merge branch 'master' into logo

Conflicts:
	samla-locking-clip.scad

Move the dimension variables back to the global scope, since they are used in
both modules now (and will be used in more modules yet); and the SCAD file is
meant to be use<>'d anyways, not include<>d.