prod: write all logs to single log file.
pom.xml: Spring Data JPA updated to 1.5.1

@see http://docs.spring.io/spring-data/jpa/docs/1.5.1.RELEASE/changelog.txt

No functional changes.
Fix logging of event when logged user opens up absent page.

Before there was an exception in log file:
InvalidDataAccessApiUsageException: detached entity passed to persist: ru.mystamps.web.entity.User

Fix #152
Some unit test's files was renamed to fix working of Ctrl+T in IDE.

No functional changes.
pom.xml: H2 updated to 1.3.176

@see http://www.h2database.com/html/changelog.html

No functional changes.
pom.xml: slf4j updated to 1.7.7

@see http://slf4j.org/news.html

No functional changes.
Added maven plugin

Run mvn thucydides:aggregate and show up target/site/thucydides/index.html in the browser.
Added first test
Added Runner and deal with dependencies.
make test runs

mvn -Pit clean verify thucydides:aggregate
Added TODO
Настроил запуск тестов в Travis
Updated to 0.9.237