Werk #4759: Fixed some wrong escaped links in help texts

Component	User interface
Title	Fixed some wrong escaped links in help texts
Date	Jun 17, 2017
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	1.5.0i1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.4.0p6 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

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