Remove APT version pins

Author: effigies

docker/base.Dockerfile

@@ -74,22 +74,21 @@ RUN curl -sSL http://neuro.debian.net/lists/xenial.us-ca.full >> /etc/apt/source
 # Installing general Debian utilities and Neurodebian packages (FSL, AFNI, git)
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \
-                    fsl-core=5.0.9-1~nd+1+nd16.04+1 \
-                    fsl-mni152-templates=5.0.7-2 \
-                    afni=16.2.07~dfsg.1-5~nd16.04+1 \
+                    fsl-core \
+                    fsl-mni152-templates \
+                    afni \
                     bzip2 \
-                    ca-certificates \
                     xvfb \
-                    git=1:2.7.4-0ubuntu1 \
-                    graphviz=2.38.0-12ubuntu2 \
+                    git \
+                    graphviz \
                     unzip \
                     apt-utils \
                     fusefat \
                     make \
                     file \
                     # Added g++ to compile dipy in py3.6
-                    g++=4:5.3.1-1ubuntu1 \
-                    ruby=1:2.3.0+1 && \
+                    g++ \
+                    ruby && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*