set default mongodb version to 2.4.6, fix to :extra_opts handling (string, not array)
Merge pull request #132 from engineyard/CC-501

set default mongodb version to 2.4.6, fix to :extra_opts handling (strin...
fixing restart to be reload in autoexplain recipe
Merge pull request #134 from engineyard/pg_reload_not_restart

fixing restart to be reload in autoexplain recipe
cd into app root by default in the sidekiq
updated readme to explicitly state redis uses default configs.
Pass a unique digest to ruby_block within the update_file definition to prevent previous results of only_if/not_if being attributed to the current instance
Merge remote-tracking branch 'upstream/master'