Update to Vim8 on Centos 7

Upgrade vim

# You may use this CentOS 7 repository on Fedora Copr for Vim 8 builds.
#      https://copr.fedorainfracloud.org/coprs/mcepl/vim8/
#
#  Run these commands on CentOS 7.

# Add this repository:

sudo curl -L https://copr.fedorainfracloud.org/coprs/mcepl/vim8/repo/epel-7/mcepl-vim8-epel-7.repo -o /etc/yum.repos.d/mcepl-vim8-epel-7.repo

# Upgrade Vim to vim 8:

sudo yum update vim*

# After it is successful, your Vim should be version 8.0 now:
vim --version

# You should see...
# VIM - Vi IMproved 8.0 (2016 Sep 12, compiled Aug  2 2017 16:29:21)
# Included patches: 1-839

rpm -Uvh http://mirror.ghettoforge.org/distributions/gf/gf-release-latest.gf.el7.noarch.rpm
rpm --import http://mirror.ghettoforge.org/distributions/gf/RPM-GPG-KEY-gf.el7
yum -y remove vim-minimal vim-common vim-enhanced sudo
yum -y --enablerepo=gf-plus install vim-enhanced sudo

For Centos 7 and up