Corrected Accelerometer Calibration

Updated calibration functions for accelerometer such that offsets now
correctly calibrate zero-g when reset while accelerometer is level &
stationary. Also corrected some typos.
fixed setting FPU registers
updated projects
making function non-static to avoid compiler warning if not used
updated project, removed non-existing header file include path
updated touch project with CW for MCU10.6
updated readme file
added KDS touch slider demo for FRDM-KL25Z
updated project file