v0.2.7

Release Notes:

• (c93cfe6) Make LTO optional.
• (aa351a6) Allow the user-agent to be overriden. Helpful for other custom runtimes built on top of this one.
• (a4b8f45) Enforce naming conventions through clang-tidy
• (17473f8) Add support for Manjaro Linux
• (57d9f29) Performance: avoid copying the result of a given outcome and moving it instead.
• Miscellaneous CMake hygiene improvements.