adding GMI page
documented ma.h and maInput.h
remove unused function
link MeshAdapt page to main page
start documenting maMesh.h
remove another unneeded function
documented important parts of MeshAdapt headers
hiding the remaining undocumented stuff

Anything that is not documented at this
point is unlikely to be considered
"public API usage"
listing all MeshAdapt headers on its page
change wording