30648
12435 skip JobTest>#testCurrent to check	https://pharo.fogbugz.com/f/cases/1243512403 FileTreeUrl should be deprecated	https://pharo.fogbugz.com/f/cases/12403	12433 clean up references to deprecated MailSender	https://pharo.fogbugz.com/f/cases/12433

http://files.pharo.org/image/30/30648.zip
Merge branch '3.0' of github.com:pharo-project/pharo-core into 3.0
Merge branch '3.0' into command-line-tools