[FIXED JENKINS-17970] so that GitChangeSet IDENTITY regex can match e.g. Swedish name (utf8 with non-latin1 chars) -even when assuming latin-1; fix may be temporary if undetermined part of regex behavior changes in the future.
Merge pull request #153 from marco-miller/changeSetIdentRegexFixForSwed

[FIXED JENKINS-17970] so that GitChangeSet IDENTITY regex can match e.g. Swedish