master updated (dc843e0a9b3 -> 8051be9ac20)

[Jim Porter]

jporter pushed a change to branch master.

      from  dc843e0a9b3 Describe the effect of 'guess' for 
'ido-use-filename-at-point'
       new  324a1d83c99 ; Don't require 'eshell' in other Eshell files
       new  8051be9ac20 Allow unloading Eshell


Summary of changes:
 doc/misc/eshell.texi                    |  2 -
 etc/NEWS                                | 11 ++++
 lisp/eshell/em-banner.el                |  1 -
 lisp/eshell/em-basic.el                 |  5 +-
 lisp/eshell/em-cmpl.el                  |  4 +-
 lisp/eshell/em-extpipe.el               | 15 +++++
 lisp/eshell/em-glob.el                  |  3 +-
 lisp/eshell/em-hist.el                  |  8 ++-
 lisp/eshell/em-ls.el                    | 31 ++++++-----
 lisp/eshell/em-prompt.el                |  2 -
 lisp/eshell/em-rebind.el                |  1 -
 lisp/eshell/em-smart.el                 |  5 +-
 lisp/eshell/em-term.el                  |  1 -
 lisp/eshell/em-tramp.el                 |  3 +-
 lisp/eshell/em-xtra.el                  |  2 -
 lisp/eshell/esh-mode.el                 |  6 ++
 lisp/eshell/esh-module.el               | 32 ++++++++---
 lisp/eshell/esh-opt.el                  |  5 ++
 lisp/eshell/eshell.el                   | 38 ++++---------
 test/lisp/eshell/eshell-tests-unload.el | 99 +++++++++++++++++++++++++++++++++
 20 files changed, 205 insertions(+), 69 deletions(-)
 create mode 100644 test/lisp/eshell/eshell-tests-unload.el