Removed the re-definitions of the usage method in the posix/main.cpp file.
Added qurt_external_hook interface to call externally linked module.
Fixed code format to comply with PX4 style.
Added usage information to main app and handled cases for unknown arguments.
Fixed the orb_priority interface to use int32_t instead of int.
Fixes to get hil working with led changes.
Added the config_eagle_adsp.mk file and update the make files to to use new
include/lib paths

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

Tone_Alarm: Added ability to use timer 1 and timer 8 for the tone alarm driver.

Add daemon mode to posix build

reduce make verbosity

Commands were being processed before init was called.

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

-add -Qunused-arguments for clang
-update to a recent cmake
-comment unused variables

Bug fix: Incorrect APBs used in HRT driver, tone alarm and, pwm_input driver.

In order to use upstart to run PX4 it needs to run in daemon mode.
Added ability to test if a task is running in order to gracefully
shut down muorb.

Signed-off-by: Mark Charlebois <charlebm@gmail.com>