Update README with 1.4 changes
Update README with 1.4 changes

mesainc/material-calendarview,BlackAngel1991/material-calendarview,ViyaletaShleveda/material-calendarview,anasanasanas/material-calendarview,netcosports/material-calendarview,ViyaletaShleveda/material-calendarview,prolificinteractive/material-calendarview,ViyaletaShleveda/material-calendarview