dest=~/.local/share/nvim/site/autoload/plug.vim
mkdir -p $(dirname $dest)
wget -O - https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim > $dest

cd ~
git clone https://github.com/rohitfarmer/vim.git .vim

mkdir .config/nvim

ln ~/.vim/vimrc ~/.config/nvim/init.vim

vim or nvim
# if this is the first time then it should automatically install all the plugins.
# else

:PlugInstall

sudo apt-get install libtool libtool-bin autoconf automake cmake g++ pkg-config unzip gettext

git clone https://github.com/neovim/neovim.git
cd neovim
git checkout stable
make CMAKE_BUILD_TYPE=RelWithDebInfo
sudo make install

nvim is installed at /usr/local/bin/