Make 1.6.0 the stable tag
1.7.0-alpha-1
Consistent End Of File comments

Fixes #124
Small doc fixes in points component
Drop back-compat with WordPress 3.7

See #123
Don't have Travis run against WP 3.7

See #123
Requires at least: 3.8

See #123
Deprecate wordpoints_db_table_exists()

Fixes #126