Reads device descriptor from binary, uses sample enumeration
Changed type of dids slot in device_list_t to uint64_t[]
Completed enumerate sensors. Removed old receive implementation.
Converted read_descriptor into an angular service
Merge remote-tracking branch 'matt/read-descriptor' into radio

* matt/read-descriptor:
  Converted read_descriptor into an angular service
Renamed read_descriptor service
Fixed silly errors resulting from moving read_descriptor to angular service
listener converts dids 64 bit data representation to a string
Added documentation for enumerate sensors
Cleaned up code and made sure # of channels was printed at the front of the array
Store XBee Addr using DataStore
Merge pull request #29 from awli/radio

Radio
Merge pull request #27 from matthew-zhao/read-descriptor

Reads device descriptor from binary, uses sample enumeration