Segment_vector fix

Added additional checks in methods to avoid possible issues in case of numeric arguments with value equal to zero.
Implemented test to check these methods.

Merge changes from stable 1.8

Change owner and group of HOST_WORKDIR

Simplify travis.yml

The 'HOST_WORKDIR' directory contains the source code
cloned in a CI, so UID and GID of its files are equal
to UID and GID of a CI user, which can vary depending on a CI.
We have to change the ownership of this directory
and all its files to UID and GID of the Docker user,
because the build is run in Docker.

Vs 2019 fixes

Update comment for pool::persist(persistent_ptr&)

Fix warning in enumerable_thread_specific class

Fix finding libpmem and libpmemobj in CMake

Functions modified in this patch do not modify the object so they should be
marked as const.

This fixes compilation on VS 2019.

to initialization list. Every const member (like table_ptr)
should be initialized this way. Failing to do so may result in compilation
error.

Generate the fatal error if any of the required files is not found.

Former description could have been misinterpreted. Persist
operation does not persist pointee but only a pointer - this
change makes that clear.

Ref: https://github.com/pmem/libpmemobj-cpp/issues/524

Set TESTS_USE_FORCED_PMEM=1 in all tests

Remove fixed_size_array_policy

Do not allocate a pseudo-TTY in GitHub Actions

Enumerable_thread_specific constructors fix

... because it causes the following error:

the input device is not a TTY
##[error]Process completed with exit code 1.

Copy/Move constructors fixed to use storage's copy/move constructors instead of operator=

... because it is not very useful and requires a lot of memory.

template <typename ...> typename is only allowed since C++17.
It should be template <typename ...> class.

Require clang-format 9.0

Implement rehash_bucket using a transaction

Implementation of enumerable_thread_specific for persistent memory

Interface of the data structure is similar to tbb::enumerable_thread_specific

And use it for long running tests (concurrent hash map drd tests).

This test aborts application in the middle of rehash operation and
checks consistency after restart.

Set OS-specific options for building ndctl

Enable CMAKE_NO_SYSTEM_FROM_IMPORTED globally

Revert "appveyor: enable previously disabled build steps"

This reverts commit fa3de54a.

This is temporary change to avoid appveyor timeout.

Update dockerimages to newest versions