Convert all source files to UTF-8 encoding.

Jira issue key: IMAGING-109



git-svn-id: https://svn.apache.org/repos/asf/commons/proper/imaging/trunk@1534313 13f79535-47bb-0310-9956-ffa450edef68
Add .pmd to svn:ignore.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/imaging/trunk@1534314 13f79535-47bb-0310-9956-ffa450edef68