Fix newly discovered ApplicationPool bugs which could cause queued requests not to be processed when they should be, or which could cause too many processes to be spawned.
Fix Nginx page caching support when using the new sub-URI deployment instructions
Update documentation IDmaps
Rename the 'passenger-config info' command to 'passenger-config about'
Make the Ruby 1.8 Travis tests use an older RubyGems version
Fix a Debian packaging bug