Update list of FSL versions to match current Neurodocker.

[Vbitz]

6.0.7.18: https://fsl.fmrib.ox.ac.uk/fsldownloads/fslconda/releases/fslinstaller.py
6.0.7.16: https://fsl.fmrib.ox.ac.uk/fsldownloads/fslconda/releases/fslinstaller.py
6.0.7.14: https://fsl.fmrib.ox.ac.uk/fsldownloads/fslconda/releases/fslinstaller.py
6.0.7.8: https://fsl.fmrib.ox.ac.uk/fsldownloads/fslconda/releases/fslinstaller.py
6.0.7.4: https://fsl.fmrib.ox.ac.uk/fsldownloads/fslconda/releases/fslinstaller.py
6.0.7.1: https://fsl.fmrib.ox.ac.uk/fsldownloads/fslconda/releases/fslinstaller.py
6.0.6.4: https://fsl.fmrib.ox.ac.uk/fsldownloads/fslconda/releases/fslinstaller.py
6.0.6.3: https://fsl.fmrib.ox.ac.uk/fsldownloads/fslconda/releases/fslinstaller.py
6.0.6.2: https://fsl.fmrib.ox.ac.uk/fsldownloads/fslconda/releases/fslinstaller.py
6.0.6.1: https://fsl.fmrib.ox.ac.uk/fsldownloads/fslconda/releases/fslinstaller.py
6.0.6: https://fsl.fmrib.ox.ac.uk/fsldownloads/fslconda/releases/fslinstaller.py
6.0.5.2: https://fsl.fmrib.ox.ac.uk/fsldownloads/fsl-6.0.5.2-centos7_64.tar.gz
6.0.5.1: https://fsl.fmrib.ox.ac.uk/fsldownloads/fsl-6.0.5.1-centos7_64.tar.gz
6.0.5: https://fsl.fmrib.ox.ac.uk/fsldownloads/fsl-6.0.5-centos7_64.tar.gz
6.0.4: https://fsl.fmrib.ox.ac.uk/fsldownloads/fsl-6.0.4-centos6_64.tar.gz
6.0.3: https://fsl.fmrib.ox.ac.uk/fsldownloads/fsl-6.0.3-centos6_64.tar.gz
6.0.2: https://fsl.fmrib.ox.ac.uk/fsldownloads/fsl-6.0.2-centos6_64.tar.gz
6.0.1: https://fsl.fmrib.ox.ac.uk/fsldownloads/fsl-6.0.1-centos6_64.tar.gz
6.0.0: https://fsl.fmrib.ox.ac.uk/fsldownloads/fsl-6.0.0-centos6_64.tar.gz
5.0.11: https://fsl.fmrib.ox.ac.uk/fsldownloads/fsl-5.0.11-centos6_64.tar.gz
5.0.10: https://fsl.fmrib.ox.ac.uk/fsldownloads/fsl-5.0.10-centos6_64.tar.gz
5.0.9: https://fsl.fmrib.ox.ac.uk/fsldownloads/fsl-5.0.9-centos6_64.tar.gz
5.0.8: https://fsl.fmrib.ox.ac.uk/fsldownloads/oldversions/fsl-5.0.8-centos6_64.tar.gz