New Check_MK stable release 1.4

Changes in all Check_MK Editions:

WATO:
* 4747 FIX: Fixed resetting global settings to factory defaults
* 4750 FIX: Ensure uploaded icons are saved with their filename instead of paths

User interface:
* 4702 FIX: Quicksearch: fixed minor parsing issue when using specific filters
* 4746 FIX: Fixed using HW/SW inventory filters in views without inventory painters

Livestatus:
* 4430 FIX: Fixed logwatch-related Livestatus queries in NEB module

HW/SW inventory:
* 4568 FIX: mk_inventory.vbs: fixed getNetworkAdpater function to prevent errors caused by null arrays

Checks & agents:
* 4742 FIX: wmi_cpuload: Added required tables to prevent crash
* 4748 FIX: solaris_fmadm: Check was only discovered when an error is detected
* 4664 FIX: netapp_api_qtree_quota: Fixed NameError: name 'is_digit' is not defined
* 4740 FIX: mysql: Fixed crash if instance is not available anymore
* 4633 FIX: jolokia_metrics.uptime: No longer crash when agent info is incomplete
* 4739 FIX: hp_proliant_da_phydrv: Implemented new possible values
* 4632 FIX: fsc_subsystems: No longer crash when statuscode is missing
* 4743 FIX: f5_bigip_conns: Fixed crash if empty values
* 4741 FIX: dell_powerconnect_temp: Fixed missing reference for computing the temperature
* 4631 FIX: cisco_ace_rserver: Fix broken IP address parsing
NOTE: Please refer to the migration notes!
* 4663 FIX: check_mailboxes: Removed useless report_age which causes TypeError: float() argument must be a string or a number
* 4735 FIX: check_mailboxes: Fixed broken check when setting "connect timeout" option
* 4734 FIX: check_mail check_mail_loop check_mailboxes check_sql: Passwords from password store were not used correctly

REF: http://lists.mathias-kettner.de/pipermail/checkmk-announce/2017-May/000205.html