* Fix run-syntax-checks.sh to run with bash
Contains bash specific syntax, and sync with the other *.sh files
in this directory.
* Add missing header file adaptors to the directory and CMakeLists.txt
* run-syntax-checks.sh without ETL_IN_UNIT_TEST
* Fix usage of make_unsigned
* Removing crc.h from syntax checks because of redundancy
* Remove ETL_USING_CPP11 from unit tests
Unit tests are always run with at least C++11.
* Add missing copyright header in test_manchester.cpp
* Fixed usage of ETL_DEPRECATED_REASON(), wrong syntax by order
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Co-authored-by: John Wellbelove <john.wellbelove@etlcpp.com>
Co-authored-by: John Wellbelove <jwellbelove@users.noreply.github.com>
