set headless=true
Add optimize method
Test that stubbed proxy doesn't receive 'optimize'
add sunspot:solr:restart rake task
Reference configuration instance instead of class
Adding more examples for faceting in README
Fix undefined method `=~' running `spring rake`
Fixed error in comments

Models are separated by a plus sign "+" not a forward slash "/" so this comment has been updated.
ActiveSupport JSON support file name changes in Rails 4.1
fixed typo in batcher.rb
Merge pull request #563 from awpennim/patch-1

fixed typo in batcher.rb
Update README.md

add blog post link that describes how to get started with Sunspot.
Load ActiveSupport JSON support correctly for major Rails versions > 4
Merge pull request #555 from zgchurch/master

ActiveSupport JSON file name changes in Rails 4.1
Merge pull request #564 from Valve/patch-1

Update README.md
Merge pull request #551 from boxofrad/master

Fix rails rake tasks under spring
Merge pull request #543 from exAspArk/restart_task

Add rake sunspot:solr:restart
Merge pull request #553 from benjaminjosephw/patch-1

Fixed error in comments
Merge pull request #548 from Jaco-Pretorius/master

Adding more examples for faceting in README
Merge pull request #546 from dukedave/master

Reference configuration instance instead of class