Version 1.5.1

• C++: Remove Makefiles (have been deprecated a while) (802d460)
• C++: Changed CMake config so it works better with newer C++ versions

Version 1.5.0

• C: Support hardening buildflags set in the environment (09845ca4)
• C: Updated CMake configuration. This can now completely replace the configuration using the Makefiles. The Makefiles are deprecated now and will be removed in a future version.
• Proto: Add optional way to add node locations to way (e7d3201)
• Proto: Add optional LZ4 and ZSTD compressed data blocks (218bfe8)