changes from John Wiegley
dovecot.rb
Merge branch 'master' of https://github.com/mxcl/homebrew
Merge branch 'master' of https://github.com/mxcl/homebrew
Merge branch 'master' of https://github.com/mxcl/homebrew

Conflicts:
	Library/Formula/clucene.rb
Merge branch 'master' of https://github.com/mxcl/homebrew
Merge branch 'master' of https://github.com/mxcl/homebrew

# By Brett Koonce (63) and others
# Via Jack Nagel
* 'master' of https://github.com/mxcl/homebrew: (194 commits)
  youtube-dl 2013.10.23.2
  selenium-server-standalone 2.37.0
  logstash 1.2.2
  mongodb: use 2.5.3 by default on Mavericks.
  Improve Xcode and CLT installation instructions.
  mongodb: remove outdated bottles.
  mongodb: 2.4.7 (stable) and 2.5.3 (devel)
  formula_installer: further fix tab file handling.
  global: further limit tap formula regex.
  ace: improve and cleanup 10.9 fix.
  libmemcached: fix "tr1/cintypes" error on 10.9.
  installer: don't try and unlink nil tabfile.
  ace: fix build on 10.9 and cleanup.
  open-mpi 1.7.3
  macvim: fix compilation on 10.9.
  passenger 4.0.21
  pyenv 0.4.0-20131023
  sdl_mixer: add universal option.
  offlineimap 6.5.5
  poco: fix SHA-1.
  ...

Conflicts:
	Library/Formula/dovecot.rb
Merge branch 'master' of github.com:dhaley/homebrew