updating change log for 0.2.7

updating changelog for 0.2.7

Version 0.2.7 is on the books

adding a 'crowd cleanup' section to the Jobs API Wiki page

clearing todo list

adding Timeout::Error to the list of exceptions that cause the server to consider a node offline. See: https://groups.google.com/group/cloud-crowd/browse_thread/thread/4970430eeacd2934

mixing in the CloudCrowd module to all 'crowd console', for more convenient access

added a 'crowd cleanup' command that lets you clean up completed jobs that were finished a certain number of days ago -- good for regular cron tasks -- defaults to a week

whitespace

fixing typo in command line, RACK_ENV wasn't getting passed down into nodes

fixing broken samples that were expecting key() to return an integer instead of a character

added a 'cleaning up' section to 'The Job API' wiki page

bumping to version 0.2.6

only auto-cleanup jobs if they return '201 Created'

removing out-of-date doc

making getting started instructions a little less confusing

stop the automatic job destruction after successfully firing a callback -- assuming too much

bumping to 0.2.5

fixing bug for Postgres databases -- should only cancel reservations if there was something reserved

explaining more directly that database.yml only ever needs to be configured on the central server

requiring 'socket' instead of auto-loading it (for Ruby 1.9)

bumping to 0.2.4 -- adding more robustness in server/node communication

making nodes check in periodically (every 5 minutes) with central