pios_spi accept speed in Hz
change desiredPrescaler to float to guarantee that <= speed is selected
fix spaces between operator x / y.
fix formatting
Ground/ConfigPlugin-Added Arming Switch to the TX svg
Ground/ConfigPlugin/Tx wiz-Handle new Arming switch calibration

Also made both the switches move during the move the full extents step.
Ground/ConfigPlugin/Tx Wiz-Made the scaleChannel function more general and renamed it.
Ground/Configinputwidget - Code style fixes
Ground/Configinputwidget - Deleted wrong comment
[Logging]: Fix crash while exting GCS while logfile is playing. Inspired by
http://git.openpilot.org/cru/OPReview-571.
Ground/TxWiz - Fixed Arming switch movement
Ground/TxWiz - Fixed Arming switch neutral calculation
Make: Fixed Python version issue
SparkyBGC: Sparky doesn't need to use the paths.c file, as navigation is
unrelated to brushless motor control.
merge branch next into tx_wiz_arm_switch

Conflicts:
	ground/gcs/src/plugins/config/configinputwidget.cpp
Make, QMake: Cleaned up a bit
QMake: Now works with QtCreator
BoardManager: Upgrade board manager to automatically
generate the string for the channel banks.
BoardPlugin: changed variable typedef to Qt ones.
Ground/Configinputwidget:replaced std int types with Qt types
BoardManager: improve comment.