fix(dep): update ANTs to 2.3.3 so that some flags are available

Fixes problems stemming from nipy/nipype#3256 and breaking CircleCI builds as of niworkflows 1.3.1

Author: oesteban

Dockerfile

@@ -95,10 +95,11 @@ ENV PATH="/usr/lib/fsl/5.0:/usr/lib/afni/bin:$PATH"
 COPY .docker/fsl-6.0/bin/topup /usr/share/fsl/5.0/bin/topup
 COPY .docker/fsl-6.0/lib/* /usr/lib/fsl/5.0/
 
-# Installing ANTs 2.2.0 (NeuroDocker build)
+# Installing ANTs 2.3.3 (NeuroDocker build)
+# Note: the URL says 2.3.4 but it is actually 2.3.3
 ENV ANTSPATH=/usr/lib/ants
 RUN mkdir -p $ANTSPATH && \
-    curl -sSL "https://dl.dropbox.com/s/2f4sui1z6lcgyek/ANTs-Linux-centos5_x86_64-v2.2.0-0740f91.tar.gz" \
+    curl -sSL "https://dl.dropbox.com/s/gwf51ykkk5bifyj/ants-Linux-centos6_x86_64-v2.3.4.tar.gz" \
     | tar -xzC $ANTSPATH --strip-components 1
 ENV PATH=$ANTSPATH:$PATH