Almost compiling FMU config
Added stack checking
Updated FMU and IO configs
Config updates
Integration with main Firmware repo, adjusting new-style configs
Config improvements
Checkpoint: Board booting
Re-enable sys log to work around USB vs. ttyS0 issue - works, but needs further attention
Added transitional tools to gitignore
Updated defconfig, now 100% vetted vs. old config AND KConfig clean
KConfig fixes for STM32F4 (fixes flash prefetch never being enabled, added two NSH options to KConfig)
Merge branch 'kconfig_fixes' into integration
Enable stack checking for FMU
Added stack checking for ARMv7M using R10, R10 NOT reserved yet
Commented out spurious assert
Hardware flow control bits
Merge branch 'spurious_assert' into integration
Merge branch 'stack_check' into integration
Merge branch 'master' of http://git.code.sf.net/p/nuttx/git into integration
Fix an assertion