New Check_MK stable release 1.2.8p27

This maintenance release of the current "old stable" version ships with 19
changes affecing all editions of Check_MK, 1 Enterprise Edition specific
change and 0 Managed Services Edition specific changes.

    Checks & Agents:
    * 5302 FIX: oracle_instance: Fixed crash if output contains more than 12 columns
    * 5316 FIX: cmciii.access: Fixed error state handling...
    * 5518 FIX: win.mem: Fix incorrect representation of absolute memory levels in graphs...
    * 5548 FIX: zpool_status: Fixed crash if pool has been deleted or vanished...
    * 5549 FIX: mk_oracle.ps1: Fixed scattered information for configuration...
    * 5550 FIX: mk_oracle.ps1: Fixed exceptions because of useless backslashes...
    * 5451 FIX: logwatch: Fixed reclassifying mechanism: Patterns did not apply correctly if they have changed
    * 5417 FIX: Windows: allow whitespace in eventlog event source...
    * 5608 FIX: temperature.include: Fixed device levels handling
    * 5557 FIX: check_mk_agent.aix: Fixed bug in uptime because AIX is not able to interpret ? and + in regexes

    Multisite:
    * 4757 SEC: Fixed possible reflected XSS in webapi.py...

    WATO:
    * 4222 FIX: Services of host page: Fixed encoding issue for hosts with umlauts in alias

REF: http://mathias-kettner.de/check_mk_download.html