CheckLog: add a reference to OpenStack's commit policies

Signed-off-by: Gustavo L. de M. Chaves <gnustavo@cpan.org>
CheckJira: document examples for matchlog option

Signed-off-by: Gustavo L. de M. Chaves <gnustavo@cpan.org>
Detect and allow fast-forward rebases

Signed-off-by: Gustavo L. de M. Chaves <gnustavo@cpan.org>
Fix BAIL_OUT message during tests

It seems that I've left the fix in bfdd1423b7 incomplete.

Signed-off-by: Gustavo L. de M. Chaves <gnustavo@cpan.org>
Enable support for MSWin32 operating systems