Merge remote-tracking branch 'upstream/master' into Marlin_v1

Conflicts:
	README

README

@@ -1,64 +0,0 @@
-This RepRap firmware is a mashup between Sprinter, grbl and many original parts.
- (https://github.com/kliment/Sprinter)
- (https://github.com/simen/grbl/tree)
-
-Derived from Sprinter and Grbl by Erik van der Zalm.
-Sprinters lead developers are Kliment and caru.
-Grbls lead developer is Simen Svale Skogsrud.
-It has been adapted to the Ultimaker Printer by:
-Bernhard Kubicek, Matthijs Keuper, Bradley Feldman, and others...
-
-
-Features:
- - Interrupt based movement with real linear acceleration
- - High steprate
- - Look ahead (Keep the speed high when possible. High cornering speed)
- - Interrupt based temperature protection
- - preliminary support for Matthew Roberts advance algorithm 
-   For more info see: http://reprap.org/pipermail/reprap-dev/2011-May/003323.html
- - Full endstop support
- - Simple LCD support (16x2)
- - SD Card support
- - Provisions for Bernhard Kubicek's new hardware control console and 20x4 lcd
-
-This firmware is optimized for Ultimaker's gen6 electronics (including the Ultimaker 1.5.x daughterboard and Arduino Mega 2560).
-
-The default baudrate is 115200. 
-
-
-========================================================================================
-
-Configuring and compilation
-
-
-Install the latest arduino software IDE/toolset (currently 0022)
-   http://www.arduino.cc/en/Main/Software
-
-Install Ultimaker's RepG 25 build
-    http://software.ultimaker.com
-(or alternatively install Kliment's printrun/pronterface  https://github.com/kliment/Printrun_)
-
-Copy the Ultimaker Marlin firmware
-   https:/github.com/bkubicek/Marlin
-   (Use the download button)
-
-Start the arduino IDE.
-Select Tools -> Board -> Arduino Mega 2560 
-Select the correct serial port in Tools ->Serial Port
-Open Marlin.pde
-
-Click the Verify/Compile button
-
-Click the Upload button
-If all goes well the firmware is uploading
-
-Start Ultimaker's Custom RepG 25
-Make sure Show Experimental Profiles is enabled in Preferences
-Select Sprinter as the Driver
-
-Press the Connect button.
-
-KNOWN ISSUES: RepG will display:  Unknown: marlin x.y.z
-
-That's ok.  Enjoy Silky Smooth Printing.
-