Changed naming of example framework class fields to match convention.
Changed naming of example framework class fields to match convention.

Review: https://reviews.apache.org/r/70411/

kaysoky/mesos,chhsia0/mesos,reneploetz/mesos,dforsyth/mesos,jpeach/mesos,dforsyth/mesos,jpeach/mesos,abudnik/mesos,reneploetz/mesos,abudnik/mesos,dforsyth/mesos,reneploetz/mesos,gsantovena/mesos,gsantovena/mesos,gsantovena/mesos,dforsyth/mesos,jpeach/mesos,kaysoky/mesos,chhsia0/mesos,jpeach/mesos,gsantovena/mesos,chhsia0/mesos,kaysoky/mesos,gsantovena/mesos,jpeach/mesos,chhsia0/mesos,Gilbert88/mesos,chhsia0/mesos,Gilbert88/mesos,dforsyth/mesos,chhsia0/mesos,jpeach/mesos,kaysoky/mesos,Gilbert88/mesos,abudnik/mesos,reneploetz/mesos,gsantovena/mesos,reneploetz/mesos,chhsia0/mesos,gsantovena/mesos,reneploetz/mesos,jpeach/mesos,Gilbert88/mesos,abudnik/mesos,kaysoky/mesos,reneploetz/mesos,kaysoky/mesos,abudnik/mesos,Gilbert88/mesos,kaysoky/mesos,abudnik/mesos,dforsyth/mesos,Gilbert88/mesos,dforsyth/mesos,Gilbert88/mesos,abudnik/mesos