Update mysql library to 2.9.12

This corrects a handshake error that can happen with newer versions of MySQL, fixes #8.
Require `)` in decreaseIndentPattern to start a line

It was too liberal before matching any paired parentheses.
Add match for empty parentheses

This allows the special ↩ snippet to function.
Fix ending double quote scope

The ending quote in a string.quoted.double.sql was not being highlighted
correctly. This commit corrects the submatch to fix this problem.
Correct time/timestamp grammar matches

Correctly matches "without time zone" and adds support for timestamptz keyword used in PostgreSQL. Fixes #11, thanks to Aaron Burghardt.
Correct various punctuation scopes

Set three capture indexes to correctly scope the string punctuation.
Add bundle description
Point to ruby 1.8 shim

Using a shim allows us to catch when 1.8 of ruby is not present and provide other options.

#ignore
Merge branch 'master' of https://github.com/textmate/sql.tmbundle
Merge pull request #2 from ngzax/master

Update with latest from upstream