fix remark wrt appendtxt
Merge pull request #60 from stdweird/el7

Support EL7.
reorder the expected test values
build up list of network arguments to be joined and printed in main
kscommands part
add unit test for ks bonding config
add bonding configuration to static network config in kickstart
add bonding boolean to schema
add EL6 version conditional
fix tests (unordered options, el6 version)
add pxe bonding config for el6+
pxe bonding unittests
test for valid ksdevice name