Remove pandoc dependency, not needed since PyPI supports Markdown

.appveyor.yml

@@ -29,13 +29,12 @@ install:
   - ps: wget https://github.com/clab/dynet/releases/download/2.1/eigen-b2e267dc99d4.zip -OutFile eigen.zip
   - cmd: mkdir C:\projects\eigen
   - cmd: 7z x eigen.zip -o"C:\projects\eigen" -y > nul
-  - set PATH=%MINICONDA%;%MINICONDA%\Scripts;C:\Program Files (x86)\Pandoc;%PATH%
+  - set PATH=%MINICONDA%;%MINICONDA%\Scripts;%PATH%
   - conda config --set always_yes yes --set changeps1 no
   - conda update -q conda
   - conda info -a
-  - conda create -q -n test-env python=%PYTHON_VERSION% cython numpy pypandoc
+  - conda create -q -n test-env python=%PYTHON_VERSION% cython numpy
   - activate test-env
-  - cinst pandoc
   - ps: if ($env:APPVEYOR_REPO_TAG -eq $True) { (gc setup.py) -replace '. (version=.)0.0.0', "`${1}$env:APPVEYOR_REPO_TAG_NAME" | Out-File -encoding 'UTF8' setup.py }
 
 before_build:

.travis/build_linux_wheel.sh

@@ -14,10 +14,7 @@ fi
 for PYBIN in /opt/python/*${PYVER/./}*/bin; do
   "$PYBIN/pip" install -U pip
   "$PYBIN/pip" install --prefer-binary cryptography
-  "$PYBIN/pip" install -U numpy pypandoc twine cython
-  if [[ "$BUILD_ARCH" != i686 ]]; then
-    "$PYBIN/python" -c 'from pypandoc.pandoc_download import *; download_pandoc()'
-  fi || true  # It's ok if we fail installing pandoc; only important for deployment
+  "$PYBIN/pip" install -U numpy twine cython
   if [[ -n "$DYNET_TEST" ]]; then
     "$TRAVIS_BUILD_DIR"/.travis/test_dynet.sh
   else  # build

.travis/build_macos_wheel.sh

@@ -3,6 +3,5 @@ set -xe
 
 cd "$TRAVIS_BUILD_DIR"
 source activate "$PYVER"
-pip install pypandoc
 python setup.py bdist_wheel
 cp -vr build/py*/python/dist ./

.travis/install_dependencies.sh

@@ -1,24 +1,22 @@
 #!/bin/bash
 set -xe
 
-# Boost, Pandoc, Python packages
+# Boost, Python packages
 if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then
   sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y
   sudo apt-get -qq update
   sudo apt-get install -y gcc-4.8 g++-4.8 libssl-dev
-  PYTHON_PACKAGES="numpy pypandoc twine auditwheel cython"
+  PYTHON_PACKAGES="numpy twine auditwheel cython"
   if [[ "$PYTHON_INSTALL" == manual ]]; then
     sudo apt-get install -y --allow-unauthenticated libboost-filesystem1.55-dev libboost-program-options1.55-dev libboost-serialization1.55-dev libboost-test1.55-dev libboost-regex1.55-dev
     sudo -H pip install -U $PYTHON_PACKAGES
   else
-    sudo apt-get install -y pandoc
     pip install -U pip
     pip install --prefer-binary cryptography
     pip install -U $PYTHON_PACKAGES
   fi
 else
   brew update
-  brew install pandoc
   # Install Miniconda
   export MINICONDA_OS_NAME=MacOSX MINICONDA_ARCH=x86_64
   wget "https://repo.continuum.io/miniconda/Miniconda3-latest-$MINICONDA_OS_NAME-$MINICONDA_ARCH.sh" -O miniconda.sh
@@ -31,7 +29,7 @@ else
   # Useful for debugging any issues with conda
   conda info -a
   source activate "$PYVER"
-  pip install pypandoc twine
+  pip install twine
 fi
 
 # CUDA