Qt: update to 5.3
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.
Merge pull request #1205 from solidgoldbomb/sanitize-archflags

makefile: filter ARCHFLAGS env var from user environment
Merge pull request #1202 from guilhermito/welcomePlugin

Welcome plugin
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.
Merge pull request #1198 from peabody124/qt5.3

Qt: update to 5.3
LSM9DS1: add initial version

Signed-off-by: Giuseppe Barba <giuseppe.barba@st.com>
Fix code style using Lindent script

Signed-off-by: Giuseppe Barba <giuseppe.barba@st.com>
LSM9DS1: add allocate function.

This must be squashed before merge request.

Signed-off-by: Giuseppe Barba <giuseppe.barba@st.com>
LSM9DS1: first release.

This commit must be squashed after the needed check on driver
functionality.

Signed-off-by: Giuseppe Barba <giuseppe.barba@st.com>
LSM9DS1: add probe function.

Add probe function to check if the device exist on selected
i2c bus.

Signed-off-by: Giuseppe Barba <giuseppe.barba@st.com>
LSM9DS1: configure interrupt source using the faster sensor.

Signed-off-by: Giuseppe Barba <giuseppe.barba@st.com>
LSM9DS1: final release before testing.

Added some register configuration missed in the previous
version.

Signed-off-by: Giuseppe Barba <giuseppe.barba@st.com>
LSM9DS1: fix odr and fs register setting

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