add igloo submodule
uncrustify doesn't parse vendor folder
Merge branch 'master' into mdIgloo
Merge branch 'master' into mdIgloo

Conflicts:
	.gitmodules
	scripts/uncrustify.sh
new TOP_ROOT variable and project simplification
Merge branch 'master' into mdIgloo
new TOP_ROOT variable and project simplification
Merge branch 'master' into mdIgloo

Conflicts:
	libs/PhTools/PhTools.pri
first igloo test for clock
more igloo test for clock
Merge branch 'master' into mdIgloo

Conflicts:
	libs/PhLtc/PhLtc.pri
Merge remote-tracking branch 'origin/master' into mdIgloo
finish clock spec
graphic test
debug test
graphic strip test
graphic text spec
first common ui spec
midi spec
settings spec