Merge branch 'development' into beta-release-restricted

* development:
  Document the three libraries in Readme
  Document how to build shared libs with CMake
  Disable some tests with valgrind
  Clarify that there are two SSL I/O buffers
  Fix RSA mutex fix
  Fix last edit
  Small edit
  Small edit
  Small edit
  Small edit
  Very small edit
  Fix possible mutex lock/unlock mismatch
  Sync yotta and general readme again
  Ship license files with the yotta module
  Edited