Delete old BaseTools from UDK2010.SR1 Branch.

git-svn-id: https://svn.code.sf.net/p/edk2/code/branches/UDK2010.SR1@14632 6f19259b-4bc3-4df7-8a09-765794883524
Copy EDKII trunk BaseTools r14591 to UDK2010.SR1 Branch.

git-svn-id: https://svn.code.sf.net/p/edk2/code/branches/UDK2010.SR1@14633 6f19259b-4bc3-4df7-8a09-765794883524
Sync patch r14626 from main trunk.
Update edksetup.bat to check VS2012.


git-svn-id: https://svn.code.sf.net/p/edk2/code/branches/UDK2010.SR1@14634 6f19259b-4bc3-4df7-8a09-765794883524