dhcp module - clean
3par sysinfo extraction fixed
flake8 fixed
UnicodeDecodeError - fix ldap sync
Merge branch 'develop' of github.com:allegro/ralph into fix/ldap_sync
Merge pull request #979 from quamilek/fix/ldap_sync

UnicodeDecodeError - fix ldap sync
Merge pull request #978 from mkurek/fix/3par-sn

3par sysinfo extraction fixed
Merge pull request #977 from andrzej-jankowski/dnsedit_clean

dhcp module - clean
minor fixes
ui/unlock-field - only POST method is proper
Merge pull request #981 from andrzej-jankowski/catalyst

[Scan] ssh_cisco_catalys - minor fixes
Merge pull request #982 from andrzej-jankowski/ui

[UI] unlock-filed view - only POST method is proper