Merge pull request #216 from debugger22/docs

Docs: Add an author to aboutus
Added StepperMotor.py
Added classes to realize a stepper motor
Added the image of the stepper motor
Initial version of Stepper motor without gui
Added StepperMotor it __init__.py
res: Removed gear.jpg; Resized stepper_motor.jpg
MANIFEST: Added MANIFEST.in file to include res/* while installing
tools: Modified __init__ to add only the StepperMotor module
tools: Modified Stepper Motor.py; Fully functional with GUI
PEP8 Fix for StepperMotor.py and Updated .travis.yml for PyQt4
Changing source install to apt-get install python3-pyqt4
Changes in .travis.yml
* Add Python 3.4 to the matrix
* Move pypy to allow_failures
* Remove verbosity
Merge pull request #1 from debugger22/rvraghav93-200_stepper_motor

Changes in .travis.yml
Merge pull request #200 from rvraghav93/200_stepper_motor

Added StepperMotor Module
Rename StepperMotor.py to follow naming convention
Merge pull request #217 from debugger22/rename_steppermotor

Rename StepperMotor.py to follow naming convention
Correct example section
Add StepperMotor to docs