Werk #6905: jolokia_generic: Don't discover wrong types

Component	Checks & agents
Title	jolokia_generic: Don't discover wrong types
Date	Nov 16, 2018
Level	Trivial Change
Class	New Feature
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	1.6.0b1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.5.0p8 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

The jolokia generic check no longer discovers services that would -- due to the wrong value type -- go to UNKNOWN anyway.

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