travis-ci: update tarantool to 1.10 in a test job

I have got the following error in Travis-CI for tarantool-1.6 repository:

 | The following packages have unmet dependencies:
 |  tarantool : Depends: tarantool-common (>= 1.6.9) but it is not going to be installed
 |              Conflicts: libtarantool-dev (< 1.6~) but 1.5.1.218.g1a69fd6-1ubuntu1 is to be installed
 | E: Unable to correct problems, you have held broken packages.

Our 1.6 repository lack of libtarantool-dev (but have tarantool-dev) packages,
don't sure why and whether it is expected. Anyway it worth to move to 1.10.

Updated .tarantoolctl to reflect box.cfg option names changes between 1.6 and 1.10.

Updated text/multiversioning.test.py result file, but to be honest I don't sure
what is the reason of SELECT statistics change. At least those values are the
same before and after the test, so I guess they are correct.

Part of #49.

Author: Totktonada

test.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 
-curl -s https://packagecloud.io/install/repositories/tarantool/1_6/script.deb.sh | sudo bash
-sudo apt-get install -y tarantool libtarantool-dev libevent-dev libsasl2-dev --force-yes
+curl -s https://packagecloud.io/install/repositories/tarantool/1_10/script.deb.sh | sudo bash
+sudo apt-get install -y tarantool tarantool-dev libevent-dev libsasl2-dev --force-yes
 pip install --user python-daemon PyYAML six==1.9.0 msgpack-python gevent==1.1.2
 TARANTOOL_DIR=/usr/include cmake . -DCMAKE_BUILD_TYPE=Release
 make internalso libmemcached

test/.tarantoolctl

@@ -5,15 +5,12 @@ local workdir = os.getenv('TEST_WORKDIR')
 default_cfg = {
     pid_file   = workdir,
     wal_dir    = workdir,
-    snap_dir   = workdir,
-    logger     = workdir,
+    memtx_dir  = workdir,
+    vinyl_dir  = workdir,
+    log        = workdir,
     background = false,
 }
 
-if _TARANTOOL >= "1.7" then
-    default_cfg.vinyl_dir = workdir
-end
-
 instance_dir = workdir
 
 -- vim: set ft=lua :

test/text/multiversioning.result

@@ -56,7 +56,7 @@ box.stat()
     total: 0
     rps: 0
   SELECT:
-    total: 4
+    total: 7
     rps: 0
   INSERT:
     total: 2