WIP, SON operations, cli_wallet commands and RPC

- get_son in cli_wallet

libraries/wallet/include/graphene/wallet/wallet.hpp

@@ -1260,6 +1260,12 @@ class wallet_api
        */
       map<string, committee_member_id_type>       list_committee_members(const string& lowerbound, uint32_t limit);
 
+      /** Returns information about the given son.
+       * @param owner_account the name or id of the SON account owner, or the id of the SON
+       * @returns the information about the SON stored in the block chain
+       */
+      son_object get_son(string owner_account);
+
       /** Returns information about the given witness.
        * @param owner_account the name or id of the witness account owner, or the id of the witness
        * @returns the information about the witness stored in the block chain

libraries/wallet/wallet.cpp

@@ -4155,6 +4155,11 @@ map<string,committee_member_id_type> wallet_api::list_committee_members(const st
    return my->_remote_db->lookup_committee_member_accounts(lowerbound, limit);
 }
 
+son_object wallet_api::get_son(string owner_account)
+{
+   return my->get_son(owner_account);
+}
+
 witness_object wallet_api::get_witness(string owner_account)
 {
    return my->get_witness(owner_account);