Update zsh and zpython for libpython2.7.so.1.0

zsh --version:

    zsh 5.0.7-dev-0 (x86_64-unknown-linux-gnu)

python version:

    2.7.9 (default, Dec 13 2014, 19:28:27)
    [GCC 4.6.3]

zpython/zsh tip:

    commit 2194da18c74ac9ca7e8adc9ec7151c59bf9aafe4
    Author: Mikael Magnusson <mikachu@gmail.com>
    Date:   Sun Dec 14 16:15:24 2014 +0100

        33963: remove work of art in _mount

zpython/zpython tip:

    changeset:   15:7c3490189ad6
    tag:         tip
    user:        ZyX <kp-pav@yandex.ru>
    date:        Sat Dec 13 13:24:56 2014 +0300
    summary:     Handle case when HashTable is NULL
Merge branch 'travis-51.2' into master