Merge pull request #345 from scemino/master

Fixed 'Bug 10858 - Extract Method should use return, not out'
Added 'ObjectCreationAsStatementIssue'.
Enabled access to closure issues.
Sync 'NotResolvedInTextIssue'.
Added 'DelegateSubtractionIssue'.
Synced 'UnusedParameterIssue'.
Added 'SimplifyLinqExpressionIssue'.