add opted_out to utils
check for opted out
merge with 64
remove unused opts
add opt_in to utils, improve syntax
fix optoutstore
opt user in for messages
fix contact usage
move optout to utils
test for opted out user
lagging compiled files
Merge branch 'develop' into feature/issue-50-add-opt-in-to-opt-out-line
remove comment
add unsubscribe from jembi on else
return promises
Merge pull request #50 from praekelt/feature/issue-50-add-opt-in-to-opt-out-line

Add opt-in to opt-out line