Current required version of libpmemobj is 1.4 which does not have
pmemvlt support. This patch turns off and building tests and examples
using it if pmemvlt is not provided by libpmemobj.

Required by Coverity script.

common: add ruby to Dockerfile

required by coverity

common: fix run-coverity.sh

Windows support

Add packaging support and write basic README

Build examples

before this patch adding cppstyle and check_whitespace only worked
if ${srcs} contained exactly one path

Add exec rights for run-coverity.sh

Check style for all headers

Add coverity support

Add docker files and travis integration

and add .travis.yml

Imported from:
https://github.com/pmem/pmdk/commit/856e5e14bcfd2811d9efa73dd4628527e415b0ee

Add install/uninstall target and doc generation support

Setup build system

Imported from:
https://github.com/pmem/pmdk/commit/58941e0ab326b68dcdbd33b2359f54b64f48ab27

Imported from:
https://github.com/pmem/pmemfile/commit/a1b9897a90cd223e24c10c4a7558235986f0fad3

Import c++ bindings

All components were taken from main PMDK repo at revision:
https://github.com/pmem/pmdk/commit/f2d4a7377695cf26e78aeeed2fd5b4138513ade7