[CRIU] Various small p.haul fixes

[Adrian Reber]

This patch series includes 3 smaller webgui fixes and the last
patch adds support to detect if newer criu versions have
added the information if cpuinfo dumping and checking is supported
by the underlying criu architecture.

		Adrian

 phaul/iters.py           | 10 ++++++++--
 webgui/p_haul_web_gui.py | 11 +++++------
 webgui/procs.py          |  4 +++-
 3 files changed, 16 insertions(+), 9 deletions(-)