ROMFS: ignore comments and newlines in startup files, text in mixer files
ROMFS: only identify *.mix as mixer files
launchdetector: add reset, #663
fw: reset landing and takeoff state if switched to manual
add simple trim parameter for fw attitude
Merge remote-tracking branch 'upstream/master' into fw_trim
fw pitch sp and roll sp offset parameter
Merge remote-tracking branch 'upstream/master' into beta_fwtrim
fw sp offsets: convert deg to rad
Reduce excessive stack sizes on main OS stacks. This has been tested on mavlink_beta, but needs more careful testing.
Merge remote-tracking branch 'upstream/master' into launchdetector

Conflicts:
	src/modules/fw_pos_control_l1/fw_pos_control_l1_main.cpp
fix comparison in rcS
fix if in rc.interface
Merge pull request #709 from PX4/rcs_hotfix

startup scripts hotfix
Merge pull request #710 from thomasgubler/launchdetector

FW: launchdetector reset
launchdetection: better integration of Blocks class
geofence: make better use of Block class for updating parameters
position_estimator_inav: hotfix, change lower dt limit from 5 ms to 2 ms
Merge pull request #708 from PX4/stack_reduce

Reduce excessive stack sizes on main OS stacks.
Merge pull request #714 from thomasgubler/launchdetection_cleanup

launchdetection: better integration of Block class