y
y

Descriptions of the changes in this PR:
Handle handle non-ascii chars in username in merge script.

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Be sure to do all of the following to help us incorporate your contribution
quickly and easily:

- [X] Make sure the PR title is formatted like:
    `<Issue # or BOOKKEEPER-#>: Description of pull request`
    `e.g. Issue 123: Description ...`
    `e.g. BOOKKEEPER-1234: Description ...`
- [X] Make sure tests pass via `mvn clean apache-rat:check install findbugs:check`.
- [X] Replace `<Issue # or BOOKKEEPER-#>` in the title with the actual Issue/JIRA number.

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Author: jiazhai <zhaijia@live.com>

Reviewers: Enrico Olivelli <eolivelli@apache.org>

This closes #242 from jiazhai/issue_241

apache/bookkeeper,ivankelly/bookkeeper,sijie/bookkeeper,sijie/bookkeeper,ivankelly/bookkeeper,apache/bookkeeper,apache/bookkeeper,sijie/bookkeeper,apache/bookkeeper,sijie/bookkeeper,ivankelly/bookkeeper,sijie/bookkeeper,apache/bookkeeper,sijie/bookkeeper,sijie/bookkeeper,sijie/bookkeeper,apache/bookkeeper