Werk #3177: mem.linux: added all missing metric definitions

Component	Checks & agents
Title	mem.linux: added all missing metric definitions
Date	Feb 16, 2016
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	1.4.0i1 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

To the list of all Werks