message: update documentation of build
diff: @@ -465,18 +465,20 @@ Luckily, if you have access to https:// on port 443, then you can use this
  ## Compilation
  freebayes requires g++, camke, the standard C and C++ development libraries, liblzma, pthread, and libbzip2.
  -After
  +To build, users can just run:
  - make
  + make -j4
  -Will build the executable freebayes, as well as the utilities bamfiltertech and
  -bamleftalign. These executables can be found in the `bin/` directory in the
  -repository.
  +... to build the executable freebayes, as well as the bamleftalign indel realignment utility (`-j4` tells make to use 4 threads).
  -Users may wish to install to e.g. /usr/local/bin (default), which is
  -accomplished via
  +These executables can be found in the `bin/` directory in the repository.
  +Other useful scripts, including the freebayes-parallel script are located in `scripts/`.
  - sudo make install
  +`make test` runs basic integration tests to make sure that everything is working.
  +This depends on samtools and a few other system utilities.
  +
  +Internally, freebayes uses cmake for its build process.
  +So it's also possible to directly build with cmake:
  +
  + cmake -H. -Bbuild && cmake --build build -- -j4
  -Note that the freebayes-parallel script and the programs on which it depends are
  -not installed by this command.
  