add order_by_function field query
move direction parameter last for consistency
Support Sunspot.batch on the sub_session_proxy.
Merge branch 'master' of github.com:sunspot/sunspot
Merge branch 'master' of github.com:sunspot/sunspot
Added note to README.md regarding threading and ThreadLocalSessionProxy.
Remove rake reindex prompt.
Merge pull request #468 from austinmills/master

Added note to README.md regarding threading and ThreadLocalSessionProxy.
Merge pull request #486 from rywall/no-more-reindex-prompt

Remove rake reindex prompt.
Switch to edismax.
Merge pull request #487 from rywall/edismax

Switch to edismax.
Fix dismax tests.
Merge pull request #488 from rywall/edismax

Fix dismax tests that were broken in #487.
We use Rubygems.org now, not Gemcutter.
Added Version badge to readme.
Remove extra README.
Updating gemspec authors.
add order_by_function to readme
Fix a few more rspec deprecations hiding out in the sunspot test suite.

* mock -> double
* raise_error
Remove hanna as a development dependency.

It's long-unmaintained.