for #895 i changed the defalt layout so that I have the only datum entry
for #887 I made datum_edit_myaamia_embedded.handlebars and myaamiaDatumEditView default for my users
for #895 i made default number of datum as 1
fixes #895 I changed user preference for myaamia
fixes #895 I changed the css  for myaamia
fixes #896 I added hide and show button
fixes #887 I made datum_edit_myaamia_embedded.handlebars
fixes #895 I changed the edition number of miami app