Add miniconda2 4.6.14, remove miniconda2 4.5.12
Add miniconda2 4.6.14, remove miniconda2 4.5.12

for stack(s) cflinuxfs2, cflinuxfs3 [#165472046]

cloudfoundry/python-buildpack,cloudfoundry/python-buildpack,cloudfoundry/python-buildpack