Merge pull request #4 from lperichon/master

fix users & contacts - add admin
clean syntax, add migrated_to_padma_on
version 0.0.21
add locale
VERSION 0.0.22
add PadmaAccount#migrated?
version 0.1.0
add json_root to padma_contact and padma_account
hide id from client API, use name as identification of requests
version 0.2.0