anchor.diff:  RUN pip install MACS2
   
   # Install MultiQC
  -ENV MULTIQC_VERSION v1.3
  +ENV MULTIQC_VERSION="v1.3"
   RUN pip install git+git://github.com/ewels/MultiQC.git@$MULTIQC_VERSION
   
   # Create UPPMAX root directories
  
positive.code:     rm /opt/${BEDTOOLS_VERSION}.tar.gz
  
  # Install R
  ENV R_VERSION="R-3.3.3"
  RUN curl -fsSL https://cran.r-project.org/src/base/R-3/${R_VERSION}.tar.gz -o /opt/${R_VERSION}.tar.gz && \
      tar xvzf /opt/${R_VERSION}.tar.gz -C /opt/ && \
      cd /opt/${R_VERSION};./configure;make;make install && \
  
negative.code: RUN pip install cutadapt
  
  # Install TrimGalore
  ENV TRIMGALORE_VERSION="0.4.5"
  RUN curl -fsSL https://github.com/FelixKrueger/TrimGalore/archive/${TRIMGALORE_VERSION}.tar.gz -o /opt/trimgalore_${TRIMGALORE_VERSION}.tar.gz && \
      tar xvzf /opt/trimgalore_${TRIMGALORE_VERSION}.tar.gz -C /opt/ && \
      ln -s /opt/trimgalore_${TRIMGALORE_VERSION}/trim_galore /usr/local/bin/trim_galore && \
      rm /opt/trimgalore_${TRIMGALORE_VERSION}.tar.gz
  
  # Install BWA
  ENV BWA_VERSION="0.7.15"
  