Merge pull request #1 from LorenzMeier/master

Update for master
Deleted backside config to cut down build times
Removed fp suffix warning
Added new estimator framework, actual estimation code not yet present
Interfaced Pauls estimator, compiles, untested
Use a really large amount of stack to avoid running out of it
Merge branch 'master' of github.com:LorenzMeier/Firmware_Private into paul_estimator
Now actually loading data into the filter when running it
Set new filter as default in HIL and fixed wing, fixes in estimator, WIP
More fixes, but things are pretty NaN still
Merge branch 'master' of github.com:PX4/Firmware into paul_estimator
Use the already compensated mag vector and initialize offsets to zero
Fix up init
Filter returns some results. Needs careful range and unit checking, but on track
Compile fixes, publishing estimated attitude now
Merged estimator branches
Added lots of instrumentation to ensure all data sources are coming in clean
Merged master
Merge branch 'master' of github.com:PX4/Firmware into paul_estimator
Enable logging in HIL