ver0
add c++ class
Read by file fix bug
add uart function
Add uart read task
Add three thread for indoor navigation
use real data
 Add jni c++ function for queue get
nanoPan queue change to float format
nanoPan communication ok , save to jni
nanoPan test ok
Add encoder
set time
Add control layout
Add nanoPan algorithm
encoder + nanopan ok
add draw function
Add find corner algorithm
modify uart port
initial version