Clean up of unused files
Bug fix logging singleton:

  changed logging singleton to be statically instantiated
Added documentation for stellaris launchpad
Bug fixes in build system:

  removed default optimization parameters
  updated stellaris platform build info
  added hwInit function for platform specific init
  added hwInit for lm4f
Regmap infrastructure for lm4f

  Gpio regmaps
  timer regmaps
Drivers for lm4

  GPIO driver
  PWM driver
  uart0 driver
  platform specific configuration for stellaris launchpad
  example makefile bug fix: no-inline
hwInit for at91sam3b