Remove boto from pyenv for python 3.3 and 3.4, as travis imports a non-python-3 compatible plugin for boto which then fails the tests.
Remove boto from pyenv for python 3.3 and 3.4, as travis imports a non-python-3 compatible plugin for boto which then fails the tests.

fmarczin/simplekv,karteek/simplekv,karteek/simplekv,fmarczin/simplekv,mbr/simplekv,mbr/simplekv