apps/packet_filter/samples: add ipv4 and ipv6 pcap files for selftest()
core/clib.h: add inet_pton()
apps/packet_filer: initial commit
appa/rate_limiter: fix typo
Repeater: tenure received packets
Sink : remove wrong assertion

Sink may receive packets with any refcount
packet_filter/README.md: initial commit
basic_apps: FastRepeater and FastSink - initial version

hacked apps only for simple benchmarks
packet_filter_benchmark: initial commit
Merge pull request #129 from logiceditor-com/aa/3887/packet_filter_v3

Merged packet_filter app.
src/lib/hardware/vfio: get path to driver from environment variables
src/lib/hardware/vfio: get path to iommu_groups from environment variables
src/lib/hardware/vfio: function to check vfio availability
src/lib/hardware/pci: get path to pci devices from environment variables
src/lib/hardware/bus: use new functions to get path
src/apps/intel/intel_app: check vfio before test execution
src/apps/vhost/vhost_user: check vfio before test execution
src/apps/intel/intel_app: get pci id for test from environment variables
src/apps/vhost/vhost_user: get pci id for test from environment variables
src/core/memory: calculate size in bytes only if varialble is not null