The python "cmd2" package installs version 0.9+ on Python 2.7,
which only support Python 3.4+. This causes a dependency error in
the gate due to issue outlined in [0]. We will pre-install a
capped version of "cmd2" that would work with Python 2.7.
[0] https://github.com/python-cmd2/cmd2/issues/421
Depends-On: I34cbde65b74efc2805bd7785f84878783d2badbf
Change-Id: I35c5b1cf2253bd3ab953745a795be8ac42668053
Signed-off-by: Tin Lam <tin@irrational.io>
e66438b887