fixing installation values file & installation docs for network manag… #82

Job	Run time
Preliminary configuration	1s
build (rear-manager)	13m 44s
build (rear-controller)	16m 15s
build (local-resource-manager)	13m 14s
build (network-manager)	13m 22s
post-build	2s
release	8s
	56m 46s

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