* added reduced pricing handling logic
* admin methods for setting the whitelist of reduced price accounts
* updated client traits
* query to get all whitelisted accounts
* query for getting detailed deposit statistics
* fixes
* set initial whitelisted accounts in the migration
* stop transferring tokens to the holding account after redemption
* stop gateways from creating redemption multisig proposals
* make sure credential-proxy uses reduced deposits when available
* cargo fmt
* update deposit handler to allow EITHER default price or reduced price
this will allow non-breaking upgrades of NS and credential proxy
* removed use of unstable rust features
* rebuilt contract schema
* correct license timestamp
Jędrzej Stuczyński