- Switch from the STD regex library (which apparently is incomplete for GCC < 4.9) to the BOOST one
- Plugin is stable and tested on a CoolMUC3 node
- Current overhead for a full vmstat + meminfo + procstat instantiation is 1.3% on a CoolMUC 3 node with 256 (logical) cores
- More optimization work to come

- Supports sampling of the vmstat, meminfo, and stat files in the proc virtual filesystem
- Basic functionality verified, extensive testing to come in the next days
- Readme and Makefile have been updated as well

Change semantics of MQTT topic for perf events: the mqttpart string in a perfevents group is only used as a place holder for the CPU id and determines the width to be used for the CPU id in the MQTT string.

PDU plugin: moved request attribute from pdu to group; Remove TTL attribute + necessary internal changes