gffread: add version 0.12.2

src/.docker_modules/gffread/0.12.2/Dockerfile

+FROM alpine:3.12
+MAINTAINER Laurent Modolo
+
+ENV GFFREAD_VERSION=0.12.2
+ENV PACKAGES make \
+             g++ \
+             bash \
+             perl
+
+RUN apk update && \
+    apk add ${PACKAGES} && \
+wget http://ccb.jhu.edu/software/stringtie/dl/gffread-${GFFREAD_VERSION}.tar.gz && \
+tar -xvf gffread-${GFFREAD_VERSION}.tar.gz && \
+cd gffread-${GFFREAD_VERSION}/ && \
+make && \
+cp gffread /usr/bin/

src/.docker_modules/gffread/0.12.2/docker_init.sh

+#!/bin/sh
+docker pull lbmc/gffread:0.12.2
+docker build src/.docker_modules/gffread/0.12.2 -t 'lbmc/gffread:0.12.2'
+docker push lbmc/gffread:0.12.2