LSM9DS1: fix SPI support.

Signed-off-by: Giuseppe Barba <giuseppe.barba@gmail.com>
Qt: update to 5.3
Ground/Configinputwidget - small bug fix on 'for' statement
GCS/systemhealth added state estimation nohome html file
GCS/systemhealth added all state estimation files to the qrc file
GCS/systemhealth widget handle state estimation error on code
GCS/ConfigTaskWidget fixes bug on "if" statement
Ground/NewsPanel - Added author avatar and link
GCS/Welcome plugin - renamed NewsPanel to GitHubNews and added ForumNews
makefile: filter ARCHFLAGS env var from user environment

Unexpected values in this variable can cause strange compile
failures.
Qt5.3: fix path to windows qmake and dlls
Qt5.3: remove duplicate usb method definitions

These were removed from some versions of mingw but no
longer need to be redefined.
Add LSM9DS1 into board file.

Signed-off-by: Giuseppe Barba <giuseppe.barba@st.com>
LSM9DS1: add lot of stuff to enable sensor in the firmware

Signed-off-by: Giuseppe Barba <giuseppe.barba@st.com>
Change some PIOS configuration for discoveryf4 board.

Signed-off-by: Giuseppe Barba <giuseppe.barba@st.com>
Add Accelerometer and Gyroscope ranges in the uavobject configuration.

Signed-off-by: Giuseppe Barba <giuseppe.barba@st.com>
GCS: add gyroscope get max range function.

Signed-off-by: Giuseppe Barba <giuseppe.barba@st.com>
Fix i2c pins definition.

Signed-off-by: Giuseppe Barba <giuseppe.barba@st.com>
DiscoveryF4: add pinout.txt file.

Signed-off-by: Giuseppe Barba <giuseppe.barba@st.com>
Merge difference from FlyngF4 platform.

Signed-off-by: Giuseppe Barba <giuseppe.barba@st.com>