message: Remove some unnecessary dependences from README
  Summary:
  We don't depend on folly anymore so we don't need its transitive
  dependences.
diff: @@ -24,7 +24,7 @@ xcode-select --install
  Install dependences using homebrew:
  ```
  brew install autoconf automake libtool python3
  -brew install boost double-conversion gflags glog libevent jsoncpp
  +brew install boost jsoncpp
  ```
  ### Ubuntu 14.04 LTS (64-bit)
  @@ -36,13 +36,8 @@ sudo apt-get install \
  autoconf-archive \
  libtool \
  libboost-all-dev \
  - libevent-dev \
  - libdouble-conversion-dev \
  - libgoogle-glog-dev \
  - libgflags-dev \
  liblz4-dev \
  liblzma-dev \
  - libsnappy-dev \
  make \
  zlib1g-dev \
  binutils-dev \
  