Created directory to store examples. Now, as new testing branches are merged, the tests are saved for refference.
Adding to documentation.
Update README.md
Merge branch 'testing'

Merging the data transfer test due to minor changes in xbeeDMapi and since it is working.
xbeeDMapi -- changed zeroPktStruct to a static function to conserve memory.
added test result log.
Small fix for tracking processed packets in rcvPkt()