Werk #2353: Fix showing options for availability in BI mode, where above header

Component	User interface
Title	Fix showing options for availability in BI mode, where above header
Date	Jun 17, 2015
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	1.2.7i2 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

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