Werk #7137: mem.win: Titles of rule are more consistent

Component	Checks & agents
Title	mem.win: Titles of rule are more consistent
Date	Jan 31, 2019
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	1.6.0b1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.5.0p12 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

Some of the titles and rules still referred to the commit charge as 'page file'.

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