Ianwhite pickle

Update email open_in_browser function to use current Launchy API

Refers this deprecation warning:

WARNING: You made a call to a deprecated Launchy API. This call should be changed to 'Launchy.open( uri )'
WARNING: I think I was able to find the location that needs to be fixed. Please go look at:
WARNING:
WARNING: /Library/Ruby/Gems/1.8/gems/pickle-0.4.8/lib/pickle/email.rb:34:in open_in_browser' WARNING: def open_in_browser(path) # :nodoc WARNING: require "launchy" WARNING: Launchy::Browser.run(path) WARNING: rescue LoadError WARNING: warn "Sorry, you need to install launchy to open emails:gem install launchy`"
WARNING:
WARNING: If this is not the case, please file a bug. Please file a bug at https://github.com/copiousfreetime/launchy/issues/new
https://github.com/ianwhite/pickle/commit/d104329a21a6241bed2d3b3b5...