Updated maid manager account details and removed pmid un/reg and inc/dec counts.
Merge branch 'account_transfer' into MAID-312_trim_maid_manager_account
Cleanup Pmid Health/Registration/Totals accross personas.
Account transfer implementation.
Use median value for integer transfers.
Merge branch 'account_transfer' into MAID-359_account_transfer

Conflicts:
	cmake/pmid_manager.message_types.meta
	src/maidsafe/vault/maid_manager/action_register_pmid.h
	src/maidsafe/vault/maid_manager/action_update_pmid_health.cc
	src/maidsafe/vault/maid_manager/action_update_pmid_health.h
	src/maidsafe/vault/maid_manager/action_update_pmid_health.proto
	src/maidsafe/vault/maid_manager/helpers.h
	src/maidsafe/vault/maid_manager/maid_manager.proto
	src/maidsafe/vault/maid_manager/metadata.cc
	src/maidsafe/vault/maid_manager/metadata.h
	src/maidsafe/vault/maid_manager/pmid_totals.cc
	src/maidsafe/vault/maid_manager/pmid_totals.h
	src/maidsafe/vault/maid_manager/service.cc
	src/maidsafe/vault/maid_manager/service.h
	src/maidsafe/vault/maid_manager/tests/service_test.cc
	src/maidsafe/vault/operation_handlers.cc
	src/maidsafe/vault/operation_handlers.h
	src/maidsafe/vault/pmid_manager/action_set_pmid_health.cc
	src/maidsafe/vault/pmid_manager/action_set_pmid_health.h
	src/maidsafe/vault/pmid_manager/dispatcher.cc
	src/maidsafe/vault/pmid_manager/dispatcher.h
	src/maidsafe/vault/pmid_manager/pmid_manager.h
	src/maidsafe/vault/pmid_manager/service.cc
	src/maidsafe/vault/pmid_manager/service.h
	src/maidsafe/vault/pmid_manager/tests/pmid_manager_test.cc
	src/maidsafe/vault/pmid_manager/tests/service_test.cc
	src/maidsafe/vault/pmid_node/dispatcher.cc
	src/maidsafe/vault/pmid_node/service.cc
	src/maidsafe/vault/pmid_node/service.h
	src/maidsafe/vault/tests/group_db_test.cc
Moved median to common.
Use partial sort for Median and test.
Merge pull request #48 from BSMaidSafe/MAID-359_account_transfer

Maid 359 account transfer