Clarify documentaion on local assets recipe
Fix output redirection on MySQL backup cron entry
Fix bug in foreman:log

- Since capture only returns output from first matching host, when there
  are multiple hosts with different upstart scripts, log symlinks were
  only being created correctly for one host.
Default number of unicorn workers is dynamic

- By default set number of workers to number of cores as reported by
  /proc/cpuinfo
Version bump
Merge branch 'master' into postgresql