Console: DeviceHelper: Added common search for DevicePartSpeed

* Refactored commands that search for the part by query string
Console: Fixed CoreISimCommand exception

* Switched to use FirstOrDefault
XilinxDeviceTree: Corrected spelling error
Implementation: Added initial development of Implementation tools

* Initial support for Xilinx ISE implementation tools (MAP, PAR)
Console: Created Implement command for Implementation tools

* Uses XilinxImplementor
Implementation: Created Xilinx specific Bitstream Generation tool

* Used to build a bitstream for a target device (uses 'ncd' files)
Console: Created Xilinx specific BitGen command

* Uses the XilinxBitGen class to generate a Bitstream