Add MapBox application directory to project so it can be shared

MapBox/app.db

...-10m-admin-0-countries/82945364-10m-admin-0-countries.dbf

...0m-admin-0-countries/82945364-10m-admin-0-countries.index

...-10m-admin-0-countries/82945364-10m-admin-0-countries.prj

...-10m-admin-0-countries/82945364-10m-admin-0-countries.shp

...-10m-admin-0-countries/82945364-10m-admin-0-countries.shx

...-10m-admin-0-countries/82945364-10m-admin-0-countries.zip

MapBox/export/unl.export

MapBox/export/unl.export-failed

MapBox/export/unl.mbtiles

MapBox/project/control-room/.thumb.png

MapBox/project/control-room/labels.mss

MapBox/project/control-room/project.mml

MapBox/project/control-room/style.mss

MapBox/project/geography-class/.thumb.png

MapBox/project/geography-class/flags/ABW.svgz

MapBox/project/geography-class/flags/AFG.svgz

MapBox/project/geography-class/flags/AGO.svgz

MapBox/project/geography-class/flags/AIA.svgz

MapBox/project/geography-class/flags/ALB.svgz