System: added OS info
hardware: remove unstable features

Disks introspection is not yet stable in openlmi-hardware provider,
remove the support for now.
service: fixed error reporting

Handle errors cases gracefully. AttributeError is confusing when
actually an instance can not be found on remove host.

Behave the same when exception handling is set to enable or disable
(lmishell thing).
documented :cd and :.. built-in commands
Merge pull request #66 from jsynacek/devel

storage: dirty checks for thin provisioning support
Merge pull request #64 from pschiffe/master

System: added OS info
networking: prefix length of route should be int

PrefixLength parameter of static IP route was incorrectly converted to
string when it should be integer. New lmishell can convert it to propert
type. This commit fixes it even for older lmishell.
Merge pull request #67 from rnovacek/route-fix

networking: prefix length of route should be int
System: added info about firewall and logging services
System: added dependency on openlmi-scripts-service
Merge pull request #68 from pschiffe/master

System: added info about firewall and logging services
System: catch LMIClassNotFound exceptions
spec: updated spec file
software: fixed search command

Search command was completely broken.
networking: handle case when ProtocolIFType is None

ProtocolIFType property of LMI_IPAssignmentSetting data can be empty
sometimes. This commit adds a check for it.
networking: fix wrong function for ending test phase

It should fix problem with unfinished tests on buildbot.
networking: explicitly differentiate between IPv4 and IPv6 addresses
Merge pull request #69 from pschiffe/master

System: catch LMIClassNotFound exceptions
Merge pull request #70 from rnovacek/fixes

Various fixes in networking command and script
networking: fix wrong error message

This fixes bad error message when --ipv6 option has invalid value.