Added boto3 to 'circle.yml' so that ci will run s3 testing modules

Author: shariqiqbal2810

circle.yml

@@ -9,7 +9,7 @@ dependencies:
   override:
     - pip install --upgrade pip
     - pip install -e .
-    - pip install matplotlib sphinx ipython
+    - pip install matplotlib sphinx ipython boto3
     - if [[ ! -d ~/examples/data ]]; then wget "http://tcpdiag.dl.sourceforge.net/project/nipy/nipype/nipype-0.2/nipype-tutorial.tar.bz2"; tar jxvf nipype-tutorial.tar.bz2; mkdir ~/examples; mv nipype-tutorial/* ~/examples/; fi
     # we download this manually because CircleCI does not cache apt
     - if [[ ! -d ~/examples/feeds ]]; then wget "http://fsl.fmrib.ox.ac.uk/fsldownloads/fsl-5.0.8-feeds.tar.gz"; tar zxvf fsl-5.0.8-feeds.tar.gz; mv feeds ~/examples/; fi