Summary
- more tasks; clarified default args;
- remote_builds has PAR-SEQ semantics of old isatest-makedist; tuned signature;
- expose results on failure (via mail);
- clarified push/pull chain: current ISABELLE_HOME may server as source for changes that are not published on isabelle_repos_source yet (e.g. isabelle-release branch);
- support for URL notation;
- process results immediately;
- permissive rename operation (amending b265dd04d57d);
- pro-forma update to cygwin_2016-1 (web service still missing);
- updated to current Cygwin, after 2.6.0-1 from 31-Aug-2016;
- regular user tool;
- avoid deprecated Scala;