Adding Other sensor classes and tct-test folder for accelerometer

Adding Other sensor classes and tct-test folder for accelerometer

-Added the Test case file for accelerometer
-Added other sensor files (apart from accelerometer)

Patch-Set-2: Minor Changes
Patch-Set-3: Minor CHanges
Patch-Set-4: Added Lib fodler to tct
Patch-Set-5: Bug Fixing for tct passing. Now 17/18 passing. Set Sensor.MaxBatchLatency not passing
Patch-Set-6: Changed .Net Framwork Version to 4.5
Patch-Set-7: Removed MaxBatchLatency TCT as Batch Mode is currently not suported by sensor framework
Patch-Set-8: Added Log.Info and Log.Error Tags and removed extra whitespace
Patch-Set-9: Minor changes as per reviews/comments
Patch-Set-10: Added GravitySensor, LinearAccelerationSensor, Magnetometer, RotationVectorSensor, OrientationSensor, Gyroscope
Patch-Set-11: Added LightSensor, ProximitySensor, PressureSensor, UltravioletSensor, TemperatureSensor, HumiditySensor, HeartRateSensor
Patch-Set-12: Added UncalibratedGyroscope, UncalibratedMagnetometer, GyroscopeRV, MagnetometerRV. Updates as per reviews/comments.
Patch-Set-13: Added Pedometer and SleepMonitor, Renamed Sensor folder to Tizen.System.Senosr, Enumerations.cs to SensorEnumerations.cs, Removed sln file, Added LICENSE file, Renamed EventArgs classes
Patch-Set-14: Changes as per reivew
Patch-Set-15: Removed Tizen.System.Sensor/obj/
Patch-Set-16: Timestamp type changed to TimeSpan
Patch-Set-17: Renmaing Timestamp to TimeSpan
Patch-Set-18: Minor Changes
Patch-Set-19: Updated Commit message
Patch-Set-20: New tpk file for tct
Patch-Set-21: Renamed dll from Tizen.System.Sensor.dll to Tizen.System.dll and linked snk file
Patch-Set-22: Added logs to tct, updated new dll for Tizen.System.dll, Added tct for LinearAcceleration, Gravity and Proximity Sensors
Patch-Set-23: Updated tpk file
Patch-Set-24: Tested LinearAccel, Proximity and Gravity Sensor. Updated tpk file.. tct 62/64 working
Patch-Set-25: Changes by SeungHun Choi - Bug Fixing for TCT
Patch-Set-26: Minor Changes  - removed extra whitespace

signed-off-by:"Ankur Garg <ankur29.garg@samsung.com>"
Change-Id: I6dd6f8ca439c57f0ac8576036df39ce547adbaa6