Fixed logic error in Sharding component

HHVM compatibility: func_get_args

All func_get_args() calls have been moved to the top of the methods
because HHVM doesn't keep a copy of the original args for performance
reasons.

See facebook/hiphop-php#1027 for details.

Checkstyle (Fix additional space in "if" statement)

- Switch from phing to ant
- Add composer archive for packages
- Remove PEAR package building

What is colnum?

Don't add 'NOT NULL' to the 'ALTER TABLE' when that hasn't changed

Added driver map getter

Portability wrapper _defaultFetchMode

Added support for namespace/schema quoting if it is a reserved keyword.

support schema creation for psql platform

Add hour to DATE_ADD and DATE_SUB

fix some files mode bug 755->644

Update DecimalType.php

The "decimal" mapping type does not map to float/double anymore:
https://github.com/doctrine/dbal/commit/9f51afa210d5c0165dfe6c622e07e42aa54c09fb#lib/Doctrine/DBAL/Types/DecimalType.php

Thank you.

Fixed PRAGMA calls that were missing quotes for non-standard table names

Fixed typos in code samples

The method executeCachedQuery was being called rather than executeCacheQuery.

Update SQLServer2008Platform.php (support  MS SQL Server type datetimeoffset(6))

Added regression test for the Portability Wrapper when setting the defaultFetchMode on the Connection instead of the Statement

Portability wrapper did not properly use the _defaultFetchMode when the method setFetchMode() was used on the Connection