if electric-pair-mode is enabled, use it
Merge pull request #14 from waymondo/master

If electric-pair-mode is enabled, use `electric-pair-backward-delete-char` instead of `backward-delete-char`
Suppress electric-indent-mode
Update copyright
fix electric-pair support for 24.4+
Merge pull request #15 from waymondo/master

Fix electric-pair support for 24.4+