src/intel_pmu.c: Importing changes from `main`.

src/intel_pmu.c: Importing changes from `main`.

Changes:
0cac5b51626594c4e0291d03f06cc96eb5fe7d26 intel_pmu 2.0 - updates in collectd.conf.pod
549a22a8009ba82cf57aa70d1f3889a35a820042 intel_pmu 2.0 - change parameter name to AggregateUncorePMUs
2cd896a6c92629398fdffc559bdb5b578e107361 intel_pmu 2.0 - remove type from type instance
7e390a8231fddfe77085a5c68d2dee35fea78c54 intel_pmu 2.0 - bugfix & more verbose warning messages
9a483ae5b25d6da97d6bebdad2cd154a24274202 intel_pmu 2.0 - add name of pmu to plugin instance
16ed37e9b2b1a763b0236903ffa3087abbfc5cb5 intel_pmu 2.0 - Provide option to choose all events from EventList
e8e22b7a94f37ec5758f4f0bdcfc193dddc21130 intel_pmu 2.0 - Provide more data with metric
e838ecff613fd2ce255113cbfb4795c4b236d0ac intel_pmu 2.0 - updated version of plugin