Deltabot settings and configuration adjustments.
Use X/Y/Z_MAX_PIN instead of X/Y/Z_MIN_PIN for top endstops on deltabot.
Enable QUICK_HOME for deltabot.
Add realtime delta geometry in Marlin_main.cpp.
Fix typo in MANUAL_HOME_POSITION (plural S missing) and reduce BLOCK_BUFFER_SIZE because 64 wasn't working for some reason.
Merged updates from Marlin_v1.
Fix home_all_axis to make QUICK_HOME work with Repetier-Host which sends G28 X0 Y0 Z0 instead of G28. Thanks to Matt Schoenholz for reporting this issue.
Fix typo (# missing before define).
{X,Y,Z}_{MIN,MAX}_POS are actually in Gcode coordinates.
Disable is now multi extruder compatible. M84 got a T option.
PID now per extruder. Fixed typo
Cleaned up non-standard characters
Added support for extruder offset handling

The extruder offset can be specified in the configuration
file or adjusted on the fly using the "M218 T# X# Y#" command.
The EEPROM support is not yet merged in.
The "T#" command can take option "F#" that specifies the feedrate
at which the printing head should be re-positioned. If not
specified the re-positioning move is not preformed immediately,
but the coordinates are adjusted for the printer to properly
position the head when the next movement happens.
Merge branch 'Marlin_v1' of github.com:ErikZalm/Marlin into jeff

Conflicts:
	Marlin/language.h
	Marlin/thermistortables.h
Added LiquidCrystal_I2C library to ArduinoAddons
Added Config variables for activating I2C LCDs and setting type and address
Added I2C port expander support to HD44780
Added import of Wire Library to make I2C LCD support compilable
Made i2c mode wok with the hardware I am able to test (ywrobot  / sainsmart i2c LCD 2004)

Removed incorrect LiquidCrystal_I2C Library
Merge pull request #383 from dob71/jeff

Hotend offset handling for multi-extruder machines