Surround SCM url in Jira comment with brackets even when wiki style comments are off, as Jira's URL rendering generated invalid links by accounting following parenthesis to be part of the url.
The source of the problem:
https://jira.atlassian.com/browse/JRA-5981
Added an example of a message sent to Jira by the plugin.
Merge pull request #43 from vovencij/master

Surround SCM url in Jira comment with brackets