readme fixes
Merge pull request #12 from niphlod/fix/readme_badges

readme fixes
A better README
Merge pull request #14 from gi0baro/master

A better README
Removed web2py logic for default validators, changed way of use DAL.validators, added custom validator_method attribute
Fix '%(schema)s' conversion in DropGeometryColumn
Merge pull request #15 from ilvalle/fix-DropGeometryColumn

Fix '%(schema)s' conversion in DropGeometryColumn
Merge pull request #16 from gi0baro/master

Removed web2py logic for default validators
Crafting a Christmas pre-release
Merge pull request #21 from gi0baro/master

Crafting a Christmas pre-release
updated pg8000 postgres driver
added pg8000 to travis-ci
Merge pull request #22 from ilvalle/pg8000

updated pg8000 postgres driver