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