Setup tags as highlight pairs

This allows moving between tags with ⌃↓/⌃↑ and selecting an open/close pair with ⇧⌘B.
Localize paired quotes for german.
Typing pairs localized.
Make 'Insert close tag' re-indent the close tag.

Requires that Textmate is set up to recognize Ctrl-i for 'Indent Line / Selection'
Use system Ruby for 'Insert Close Tag' command.

Command does not work correctly with Ruby 1.9
Use system Ruby for ROT 13 command.

Command does not work correctly with Ruby 1.9
Fix invalid key binding that disables dead keys.

See http://lists.macromates.com/textmate/2012-September/035552.html