Update Marlin_main.cpp

Update Configuration_adv.h

Added description of autotemp flags to M109

Corrected error in AUTOTEMP instructions

Speed up QUICK_HOME feedrate for diagonal move

Speed up the diagonal move while still keeping each individual axis at
or below its homing feedrate.

Added new language (Basque-Euskera)

pull Request to Add beta 3950 1% thermistor table into marlin firmware

Added:
* new language (Basque-Euskera)
* some minor corrections for Spanish
* added 2 new constants for every language (required for a minor change
I am preparing to ultralcd.cpp)

it's caracteristics are :

R25℃ ;100KΩ±1%

B Value(R25/50℃)：3990K 1%
Dissipation Factor(mW/℃)：1.1~1.6 In still Air
Thermal Time Constant(S)：10~17 In Still Air
Operating temperature range：  (-50~+260°C)
Dimension：  1.8mm Dia X4.1mm
Lead Length  ：30mm

This table was found on the following blogs:
http://cae2100.wordpress.com/2014/03/08/beta3950-thermistor-table-for-marlin/

and

http://microfabricator.com/articles/view/id/531ad7e59a/beta-3950-thermistor-table-for-marlin

Update language.h

Added servo pin assignments to Sanguinololu

Configuration_adv.h

Adjustable Z probe offset via custom M-code

Update Readme descriptions for M200, M207 and M208

FWRETRACT in mm/s

thermistortables.h: Add comments that table 60 uses beta=3950.

fix bug for dual extruders not working

fix bug in M200 with multiple extruders

some guy find that marlin not working good for dual extruders delta .
when type T0 or T1 to active extruder and  E0 or E1  move causing XYZ
motion . so i locales the bugs and fix it , I have dry run the fix.

Updated to latest version.

Added catalan language

Extended Preheat options

Preheat LCD menus base on code by D-Base

Set flow rate (extrude-mutliplier) for each extruder individually

Extension of M221, Tune menu

Update on 140315