Adds migration support for integer arrays
Adds schema dumper support for integer ranges

Attempting to install postgres 9.2 on travis
Postgres 9.2 on travis

Cleaning up travis.yml
removes 1.9.2, adds 2.0.0
Re-adds dpkg options
Quiet apt-get update
Integer range parsing
Fixing specs
Convert named regex groups to regular groups
Fixes infinity for 1.8.7
Adds Ruby->PostgreSQL type-casting
Adds model specs for ranges
Actually implements integer ranges with defaults
Converts int ranges to numeric ranges, as they better represent ruby ranges
Fixing jruby errors with default_value
Date range migrations
Renames numeric_range to numrange to match Rails 4
Date and int4/8 schema dump support
Adds type cast support for int4range
Adds type cast support for int8range