Changes

Changes from Mercurial (hg http://isabelle.in.tum.de/repos/isabelle/ default)

Changeset 74359:8cbe519c2085 by wenzelm: update to e-2.6, following Martin Desharnais;
The file was modified	`Admin/components/components.sha1`
The file was modified	`Admin/components/main`
The file was modified	`src/Pure/Admin/build_e.scala`