Changed everything to use group scout because of Upstart bug
Added rosscout.launch in libscout
On startup, it will now launch rosscout instead of rosserial. rosscoutincludes rosserial, motors, encoders, and any other helper nodes addedlater.
Adding Upstart files to start roscore and rosserial
Fixed encoder.ko makefile and missing #include
Removed encoder udev rule
Changes to the encoder driver
It now uses an entry in sysfs instead of /dev. Also it now compiles.
Adding kernel patch for scout_power_off
Adding (untested) u-boot patch for pin muxing
Changed gumstix network config to static
Added irq_set_irq_type to encoder driver
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