Summary
- more operations;
- more operations;
- more formal Mercurial support (with the potential to upgrade to command server);
- tuned whitespace;
- added isabelle_java cold-start executable;
- updated according to 85c83757788c;
- eliminated hard tabs;
- updated headers;
- updated to sumatra_pdf-3.1.2;
- updated to xz-java-1.5;
- updated cygwin according to 9416333a17c2, still using old 1.7.35-1;
- tuned;
- just one option is enough -- "isabelle jedit" java process may be prefixed directly in the shell;