plugin_sysctl: fixed traceback when assignments modifiers ('<', '>')

Ignore non-existent settings from system sysctl configs
Resolves: rhbz#1714595

Fixed verification of sysctl parameters whose values contain tabs
Resolves: rhbz#1711230

Fixed assertion that isolated_cores contain online CPUs
Resolves: rhbz#1706171

Fix setting force_latency in the virtual-host profile
Resolves: rhbz#1569375

new release
rebased tuned to latest upstream
used dmidecode only on x86 architectures
recommend: fixed to work without tuned daemon running

new release
rebased tuned to latest upstream
disable KSM only once, re-enable it only on full rollback
functions: reworked setup_kvm_mod_low_latency to count with kernel changes
updated virtual-host profile
added log message for unsupported parameters in plugin_net
added range feature for cpu exclusion
make a copy of devices when verifying tuning
fixed disk plugin/plugout problem
fixed unit configuration reading
reload profile configuration on SIGHUP
use built-in functionality to apply system sysctl

Updated disable-ksm-once patch

Reworked setup_kvm_mod_low_latency to count with kernel changes

Disable ksm once, re-enable it on full rollback

Added workaround for rpmbuild bug 1626473

Fixed realtime-virtual-guest profile to call script.sh

De-fuzzified realtime-virtual-enable-rt-entsk patch

realtime-virtual-guest/host: start/stop rt-entsk daemon on

use online CPUs for cpusets calculations instead of present CPUs

new release
rebased tuned to latest upstream
IRQ affinity handled by scheduler plugin