implement powerOn / powerOff API
custom NFCTagEvent/NFCPeerEvent/NDEFMessageEvent types
else if chain, reformatting in _adapterChanged handler
execute event handlers in their object context
Cloudeebus.js update to version 0.5.99
Applying 'Promise' interface and some code cleaning
cleaning code syntax (initialization of dictionnary with {} instead of [])
removing member 'registered' of agent which is specific for Neard
code cleaning (removing implicit call to 'delete' and let garbage collector)
Merge pull request #12 from fpaut/w3c_agent

Update to cloudeebus.js v0.5.99