clean up panel headers
Merge pull request #276 from wolfmanjm/upstreamedge

clean up panel headers
clean up unwanted includes
more panel clean up of unused includes and defines
Merge pull request #277 from wolfmanjm/upstreamedge

Upstreamedge
Add M28/M29 to upload a file from pronterface to smoothie
Merge pull request #278 from wolfmanjm/upstreamedge

Add M28/M29 to upload a file from pronterface to smoothie
allow leds to be disabled after config loaded
added leds_disable true in config to disable leds
Merge pull request #281 from wolfmanjm/upstreamedge

allow leds to be disabled after config loaded
make play quiet by default added -v for verbose
Merge pull request #282 from wolfmanjm/upstreamedge

make play quiet by default added -v for verbose
Remove errant object files that should never have been in the source tree in the first place
incomplete implementation of multi-extruder support. backwards compatible
MBED::Serial: improved baudrate calculator. see http://github.com/mbedmicro/mbed/pull/116
Add M400 which waits for all moves to complete before returning ok
Merge pull request #283 from wolfmanjm/upstreamedge

Add M400 which waits for all moves to complete before returning ok
Fix buf in simpleshell where cat /sd/file where file has a very long line causes crash
Merge pull request #284 from wolfmanjm/upstreamedge

Fix bug in simpleshell where cat /sd/file where file has a very long lin...
tweak idle timeouts on some panel menus that need more time
Merge remote-tracking branch 'upstream/edge' into upstreamedge