Updated application version to 0.14

Upgraded to Spring Boot 2.2.0.RELEASE

#22 i18n. Supported static language switching for web UI

This is actually not an i18n solution but a quick fix until next
frontend refactoring

Fixed markup in README.md

Merge pull request #16 from Toparvion/#12-incorrect-log-choose

Fixes #12-incorrect-log-choose

Merge pull request #11 from Toparvion/#10-log-download

#10-log-download

1. Introduced automatic watch reactivation on log changes and server …

…restarts

2. Prevented records doubling on sequential watching toggling
3. Tuned visual look of composite records
4. Lifted composite logs to the top of choice list
5. Changed christmas substrate to classic one

Suppressed exception logging in case of log file or path absence