more doc
fix DHT lib path

header name and directory name should be the same
restore makefiles for testing
new firmware classes: counter, info
configurable firmware, optional short strings for communication
more doc
remove 2 sec sleep
refactoring serial-manager
SerialManager: logging
SerialManager: flush after connecting
object based interface, firmware_id
remove test dependency: path.py
new object based classes
new examples
reworked tests
remove py25 support