ReturnCode default constructs with 'default' error code.
ReturnCode constructed with 'defaulted' error code.
Merge pull request #11 from BSMaidSafe/MAID-307_default_error_code

ReturnCode default constructs with 'default' error code.
adding account request types
Merge pull request #16 from mmoadeli/MAID-358

adding account request types
Revert "adding account request types"
Merge pull request #17 from maidsafe/revert-16-MAID-358

Revert "adding account request types"
Merge branch 'account_transfer' into MAID-312_trim_maid_manager_account