Revert "Some load average, CPU utilization and mem checks"

This reverts commit ee610cd0a0e38fe87cf8cfff658e0b91528ea1e5.

Conflicts:
	lib/relspider.js
Revert "Compatibility fix with Neo4j 1.7.2"

This reverts commit 0c81927591d439b9164e314aadde50fe20526984.
Added Nodetime
Checking if body is empty to avoid JSDom error

Repeatedly got error "jsdom.env requires a 'html' argument" - probably caused by this
Removed Statsmix
Updated packages