cobbler/cobbler — pull request #1214 by alanoe (2014-09-12 23:37:07+00:00)
Title: Rename PXEGen class to TFTPGen

PXE refers to DHCP + TFTP. PXEGen name seems that this class would
generate DHCP conf file as well and it does not; this is confusing.
Rename class to make it clear.