message: add pip depend
diff: @@ -19,7 +19,7 @@ Installation
  ### Ubuntu 16.04
  ```
  -apt-get install build-essential git wget libopenbabel-dev libboost-all-dev libeigen3-dev libgoogle-glog-dev libprotobuf-dev protobuf-compiler libhdf5-serial-dev libatlas-base-dev python-dev cmake librdkit-dev python-numpy
  +apt-get install build-essential git wget libopenbabel-dev libboost-all-dev libeigen3-dev libgoogle-glog-dev libprotobuf-dev protobuf-compiler libhdf5-serial-dev libatlas-base-dev python-dev cmake librdkit-dev python-numpy python-pip
  ```
  [Follow NVIDIA's instructions](http://docs.nvidia.com/cuda/cuda-installation-guide-linux/#axzz4TWipdwX1) to install the latest version of CUDA. *Note* we are in the process of transitioning to CUDA 9.1.
  @@ -36,6 +36,8 @@ make install
  ```
  #
  +Note you the scripts provided in `gnina/scripts` have additional python dependencies that must be installed.
  +
  ### CentOS 7
  The program will not build in a computer with a gpu with computer capability < 3.5 unless
  @@ -189,7 +191,8 @@ The provided models are templated with `TRAINFILE` and `TESTFILE` arguments, whi
  actual files. The `train.py` script can be called with a model and a prefix for testing and training files:
  ```
  -train.py -m models/refmodel3/refmodel3.model -p models/data/csar/all
  +cd models/refmodel3
  +train.py -m refmodel3.model -p ../data/csar/all -d ../data/csar
  ```
  This will perform cross-validation using the `alltrain[0-2].types` and `alltest[0-2].types` files.
  