Add `sp-in-comment-p` to unless blocks that contain `sp-ruby-in-string-or-word-p` or `sp-ruby-in-string-word-or-inline-p`
Merge pull request #269 from Sammidysam/ruby-comment

smartparens-ruby: Do not insert match when in comment
Fix error introduced in f1afbf9 where `sp-skip-closing-pair` returns
value of sp-buffer-modified-p instead of the test condition
Put strict mode in smartparens customize group & fix the prefix