exporting secret keys means exporting public, no need to do so twice
show import secret key userID
Merge pull request #232 from ashh87/export-with-certs

Small import/export fixes
small code restructures
Update gradle build files to use android plugin 0.8.0, build tools 19.0.1
save keyring in-place, fixes #228, #203
Use intent data instead of IDs for upload and sign, fixes #205
Give expiry dates to PgpKeyOperation
show unknown in ViewKey if user id is not set
small language changes
Fix transifex config and pull translations
language fix
add some changelog items