Merge pull request #18 from karan259/master

Tetrix Motor and Servo controller Library and examples added
Merge pull request #19 from karan259/master

DLight Python Example for BrickPi Added
Updated setup.

Helpful hints in getting started.
Merge branch 'master' of https://github.com/DexterInd/BrickPi_Python
Updated install procedure.

Adde sudo command, explanation for changing directory to where the files
are.
Update Twitter Temp

Updated Twitter example to actually do something meaningful.
Update

Update example.
Updated the Python Twitter Weather Station

Added some more comments, changed the code a bit.
Update Thingspeak info
Thingspeak Update
Merge pull request #20 from karan259/master

Bookreader poject added
Bookreader example

Placed into correct directory.  Small update.
Merge remote-tracking branch 'upstream/master'