Update zsh and zpython for libpython2.6.so.1.0

zsh --version:

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

python version:

    2.6.9 (unknown, Dec 13 2014, 19:34:47)
    [GCC 4.6.3]

zpython/zsh tip:

    commit e11ad500dd7003fdb9a1bab8616aa853adf0f5ac
    Author: Daniel Shahaf <d.s@daniel.shahaf.name>
    Date:   Sun Dec 28 20:11:09 2014 -0800

        34070: fix starting position for memset() from 34005.

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-49.1' into master