add logging messages
unit test clean up database.
debug string removal.
clean up testing.
Merge remote-tracking branch 'origin/master'
synchronization start implementing.
manage redistribution.
atom module update.
synchronize logic.
synchronize logic.
synchronize logic.
odata implemented.
basic testing
update for reorg http module
Merge remote-tracking branch 'origin/master'

Conflicts:
	js/http/transport.js
singed url
implementing sync
provide ifx
signed url work now.
implementing sync.