KAA-268: Add ability to specify log schema range for log appender. Add ability to add more than one log appender per application
KAA-268: Use common constant to specify value of default action column width.
KAA-268: add support of version filtering in log appender actor
Merge pull request #39 from kaaproject/feature/KAA-268

KAA-268: Add ability to specify log schema range for log appender. Add ability to add more than one log appender per application.
KAA-267: merge branch develop/v0.6.2 into branch feature/KAA-267.