Merge branch 'over_query_limit_cache' of git://github.com/rodzyn/geocoder into rodzyn-over_query_limit_cache

Allow Mapquest API version to be specified

Fixes #493.

They may fail on Travis CI because of quota issues with providers.

allow query text that is actually an array.

Describe preload+joins option for overcoming includes issue.

In face of this known issue, .joins(...).preload(...) felt like a slightly better option (vs. :select option passed to .near()) for just the particular use case I'm up against where includes would have been useful. 

Thought it'd be worth adding to the docs, especially as preload() isn't widely demonstrated in Rails own docs.

Update module name for near_scope_options in docs for :near scope

API key required for MapQuest Open services.

As of 15 July 2013. See: http://developer.mapquest.com/web/products/open/forums/-/message_boards/view_message/459709

Add sleep option for geocode rake task.

This is too much detail for the top of the README.

Add notes on accuracy and data types to README (original issue #477)

https://github.com/alexreisner/geocoder/issues/477

Fixes issue #478. This level of detail is excessive as a default.

Should be part of system-wide git ignore config.

Support for Data Science Toolkit (DSTK) lookup.

This commit adds the Data Science Toolkit as a lookup type.  The DSTK behaves identically to the Google Maps API with the exception that it can be run behind your own firewall.  More information about this tool can be found here: http://www.datasciencetoolkit.org/

Update link to freegeoip documentation, .md instead of .rst

Add Rails 4 and Ruby 2.