Fixes for raised issues

- Fix for Issue #10
- Fix for Issue #11
- Fix for reading UTF-8 resource bundles
- File encoding issues
Merge pull request #16 from ogalimov/master

Fix for Issue #12
Support for years

- Fix for #13, support for years expression
[maven-release-plugin] prepare release cron-parser-2.5
[maven-release-plugin] prepare for next development iteration