Replace a tab with a space in tdl.rng

Signed-off-by: Chris Lalancette <clalancette@gmail.com>
support for url in <command>/<file> section fixes #88

-tests for http are pointing at my fork
Refactoring of Windows.py. Renaming classes to Windows_v5, Windows_v6

The Windows classes have been renamed following the major version
of the Windows kernel.
Added support for Windows 2012 and 8
Increased the timeout for Windows installatiosn based on kernel 6

The old 6000 timeout is not enough for Windows 8. In the same
testing system, Windows 7 & 2012 were insalled within 6000,
while Windows 8 took around 8000.
Fix install_memory to actually work.

Otherwise, when specifying a memory size in the
configuration file, you would get 1024 of the string,
not of the integer value.

Signed-off-by: Chris Lalancette <clalancette@gmail.com>
Added support for Debian 7
Add the serial console back to Fedora kickstarts.

Signed-off-by: Chris Lalancette <clalancette@gmail.com>