Update .travis.yml

try fix travis segfault
Merge pull request #41 from dakovka/master

IObject as Iterator
[orm] misspell fix
[orm] object serialize fix
[session] add exception when failed to start session
[session]  add missing param for Session::createSessionStorage()
[authentication] change params order for SessionStorage::__construct()
Merge remote-tracking branch 'upstream/master'