fix: bring FSL's templates back to Dockerfile

Author: oesteban

Dockerfile

@@ -73,6 +73,7 @@ RUN curl -sSL "http://neuro.debian.net/lists/$( lsb_release -c | cut -f2 ).us-ca
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \
                     fsl-core=5.0.9-5~nd16.04+1 \
+                    fsl-mni152-templates=5.0.7-2 \
                     afni=16.2.07~dfsg.1-5~nd16.04+1 \
                     convert3d \
                     git-annex-standalone && \