MAX31855 Thermocouple Interface has been added
Update interface.lib to match KiCad Library Convention with some clean-up's

* Pins has been arranged at 100mil grid
* Pin descriptions and other text has been changed to 50mil text height
* IR2110 removed because this symbol already existed in ir.lib
* FTDI's components has been moved to ftdi.lib
Update relays.lib to match KLC
Update contrib.lib to match KLC
Move Siemens 80C535 (i8051 based MCU) to microcontrollers.lib

* Partial update intel.lib to match KLC rules
Added symbols for MCP41xxx digital potentiometers
Merge remote-tracking branch 'upstream/master'
Change default designators
Text size for MCP41010 value and reference fields changed to KLC standard 50 mil
MCP41010 reference designator changed to U
Merge pull request #77 from arunisaac/master

Added symbols for MCP41xxx digital potentiometers
Merge remote-tracking branch 'upstream/master'
Merge pull request #74 from keruseykaryu/master

Update interface.lib, relays.lib, contrib.lib, intel.lib, microcontrollers.lib (rearrangement, clean-up, symbols added)