message: Skip gRPC for initial build on macOS in README
  Also, lay out the CMake commands following the template that `cmake
  help` documents: `cmake [options] <path-to-source>`
  Partial fix for
diff: @@ -71,7 +71,7 @@ In the root `bond` directory run:
  ```bash
  mkdir build
  cd build
  -cmake .. -DBOND_ENABLE_GRPC=FALSE
  +cmake -DBOND_ENABLE_GRPC=FALSE ..
  make
  sudo make install
  ```
  @@ -94,7 +94,7 @@ sudo apt-get install \
  python2.7-dev
  cd build # or wherever you ran CMake before
  -cmake .. -DBOND_ENABLE_GRPC=TRUE -DgRPC_ZLIB_PROVIDER=package
  +cmake -DBOND_ENABLE_GRPC=TRUE -DgRPC_ZLIB_PROVIDER=package ..
  ```
  Running the following command in the build directory will build and execute all
  @@ -128,7 +128,7 @@ order to generate and build from makefiles, in the root `bond` directory run:
  ```bash
  mkdir build
  cd build
  -cmake ..
  +cmake -DBOND_ENABLE_GRPC=FALSE ..
  make
  sudo make install
  ```
  @@ -137,7 +137,7 @@ Alternatively, you can generate Xcode projects by passing the `-G Xcode` option
  to cmake:
  ```bash
  -cmake -G Xcode ..
  +cmake -DBOND_ENABLE_GRPC=FALSE -G Xcode ..
  ```
  You can build and run unit tests by building the `check` target in Xcode or by
  