allow country update
create area loop and shipping conf events name
create shipping create and modify forms
create form tag for shipping forms
refactor shipping object into area
Merge branch 'master' into country
create all area events
complete AreaController
start area configuration tempalte
add country to as area
remove country from area and start creating postage management
add missinf files
update area postage
display error message
add pre/post methods in Area model
delete area
allow to create a new area
complete admin log message
start shipping zone management
update readme