Merge pull request #8 from adevress/master

CMake/AbseilHelpers.cmake

CMake/README.md

CMakeLists.txt

README.md

absl/CMakeLists.txt

absl/algorithm/CMakeLists.txt

absl/base/CMakeLists.txt

absl/container/CMakeLists.txt

absl/debugging/CMakeLists.txt

absl/memory/CMakeLists.txt

absl/meta/CMakeLists.txt

absl/numeric/CMakeLists.txt

absl/strings/CMakeLists.txt

absl/synchronization/CMakeLists.txt

absl/time/CMakeLists.txt

absl/types/CMakeLists.txt

absl/utility/CMakeLists.txt