C rewrite of some Munin plugins

 Munin is a highly flexible and powerful solution used to create graphs of
 virtually everything imaginable throughout your network, while still
 maintaining a rattling ease of installation and configuration.
 .
 This package contains C rewrites of some of the core plugins for the Munin
 node such as cpu, load, memory and uptime.
 .
 The purpose for rewriting the plugins is the reduced resource usage.