* Refactored build and templating scripts.
* Added check for OQS_PORTABLE_BUILD to Frodo.
* Removed security_strength parameter from OQS_randombytes_nist_kat_init.
* Overhauled the propagation of compiler flags
* Added "Dependency" CMake build type
* Removed src/common/CMakeLists.txt and src/crypto/CMakeLists.txt
* Set default build type to exclude CPU extension-based optimizations