fw pos control: better check for control mode
fw pos control: improve mode logic slightly
Merge remote-tracking branch 'upstream/master' into fwposcontrolmode
Merge remote-tracking branch 'upstream/master' into fwposcontrolmode
fw pos ctrl: takeoff special case only in takeoff
fix comment style and type
fixed startup for VTOL -> some variable names were changed lately
fixed parameter issue for VTOL so that parameter wiki tool can document them
shortened parameter names to max 16 bytes
Added Gitter badge
Merge pull request #1515 from gitter-badger/gitter-badge

Add a Gitter chat badge to README.md
Added aerocore upload target.
Merge pull request #1516 from jgoppert/aerocore-upload

Added aerocore upload target.
Merge pull request #1509 from PX4/VTOL_startup_and_parameter_fix

Vtol startup and parameter fix
Merge pull request #1493 from PX4/fwposcontrolmode

Fw pos control: small mode cleanup
Move unittests into a more perceivable directory
Add unit test data
Fix up unit test makefile, add option to rull all of them
Add make tests to Makefile
unittests: Improve auto declination test, not great coverage yet.