fix typo
extempore.el: Be more forgiving about user-extempore-directory

- shell expansion
- missing trailing slash
extempore.el: pass --runtime  if not provided when running extempore inferior
typos
set runtimedir relative to path of argv[0]
extempore.el: harden extempore-repl and wait minimally

- Do the right thing if either/both extemoreor repl buffer are missing
- As soon as the repl is available, exit the wait loop
- Report to user.
- Switch to REPL if it's (already) there.
extempore.el: fix message to match keybinding switch to C-c
Exit with error if utility/primary processes fail to start
Merge pull request #166 from giorashh/fixes

C++ Cleanups: eliminate dead code, exit on SchemeProcess->start error, relative runtimedir
add the beginnings of the system test file

closes #167
Eliminate readThread from schemeREPL
Merge pull request #168 from giorashh/remove_readThread

Eliminate readThread from schemeREPL
add quotes to test forms
test.xtm refactor
rename tests/uncategorized -> tests/failing
add link to test doco blog post in xtlang.xtm test header
print-test-results message tweak
add extra list test
(temporarily) avoid the acursed scheme interpreter bug
Merge branch 'elisp_fixes' of https://github.com/giorashh/extempore

* 'elisp_fixes' of https://github.com/giorashh/extempore:
  extempore.el: fix message to match keybinding switch to C-c
  extempore.el: harden extempore-repl and wait minimally
  extempore.el: pass --runtime  if not provided when running extempore inferior
  extempore.el: Be more forgiving about user-extempore-directory