Werk #4751: Fixed "dragging not defined" javascript error on dashboards

Component	User interface
Title	Fixed "dragging not defined" javascript error on dashboards
Date	May 31, 2017
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	1.5.0i1 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT 1.4.0p1 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

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