.travis.yml updated: now starts redis-server in userspace with listening unixsocket

Squashed commit of the following:

commit 8918067935115af7ed81af9f10da005732165d8b
Author: Alexey Popravka <alexey.popravka@horsedevel.com>
Date:   Fri May 30 11:47:48 2014 +0300

    typo in test fixed

commit acb5eca37fb9fc41d4f5927172fe63c6cb075866
Author: Alexey Popravka <alexey.popravka@horsedevel.com>
Date:   Fri May 30 11:44:15 2014 +0300

    .travis.yml typo fixed

commit 06c51a94e5949e2c3bfe9290ba20e18eeaf2a3cb
Author: Alexey Popravka <alexey.popravka@horsedevel.com>
Date:   Fri May 30 11:42:33 2014 +0300

    fix for running test locally

commit 75179ccf5e915ed91e904cd4a914dc947f320713
Author: Alexey Popravka <alexey.popravka@horsedevel.com>
Date:   Fri May 30 11:30:28 2014 +0300

    testutil updated

commit e3eb78a759d4a60556e061e3d59954c459d30c70
Author: Alexey Popravka <alexey.popravka@horsedevel.com>
Date:   Fri May 30 11:23:34 2014 +0300

    .travis.yml

commit 11d28c1dcd122c71b2492b78ce2fd61b5b5c2330
Author: Alexey Popravka <alexey.popravka@horsedevel.com>
Date:   Fri May 30 11:13:06 2014 +0300

    keep trying

commit 5bec7da45aeefc89678c4c245c595e0bc2f2af95
Author: Alexey Popravka <alexey.popravka@horsedevel.com>
Date:   Fri May 30 11:05:29 2014 +0300

    .travis.yml

commit 232d498b0f8b2f5a48968f9c0ca8e378f908635a
Author: Alexey Popravka <alexey.popravka@horsedevel.com>
Date:   Fri May 30 11:02:29 2014 +0300

    one more step

commit a1f2bc27156a2aa5d4bd230199eccaa65cf2f458
Author: Alexey Popravka <alexey.popravka@horsedevel.com>
Date:   Fri May 30 11:00:25 2014 +0300

    .travis.yml: another try

commit 95f1f4358beea23cd70f3fb93838f0f788007a13
Author: Alexey Popravka <alexey.popravka@horsedevel.com>
Date:   Fri May 30 10:58:22 2014 +0300

    few more typos fixed

commit 82a004ad15978e49d770b00f0795b52fdbcfff1d
Author: Alexey Popravka <alexey.popravka@horsedevel.com>
Date:   Fri May 30 10:50:42 2014 +0300

    .travis.yml typo fixed