Started BQ3060 driver
Added SKIPDIRS to all project makefile

For temporarily skipping some projects when building or cleaning
all of them.wq
Added more complete toolchain notes to readme
Removed some obsolete toolchain notes
Fixed gdb make target

make gdb, gdb_ocd, and gdb_stl will start gdb and the openocd server,
reset halt the target, and inform gdb of Chibios.

The gdboocd*.cmd files are a cheap hack and should be reworked
Renamed gdboocd_ocd.cmd to be consistant
Updated OpenOCD build infrastructure to take advantage of v0.7.0 features