Update ECL version, add CMUCL

Needs ECL after 2016-09-06 to support `uiop:terminate-process`.

.travis.yml

@@ -10,8 +10,9 @@ env:
     #- LISP=allegro
     - LISP=sbcl
     - LISP=ccl
-    - LISP=clisp
+    #- LISP=clisp
     - LISP=ecl
+    - LISP=cmucl
 
 addons:
   apt:

README.org

@@ -12,7 +12,8 @@ same goal.
 
 Depends on:
 
- - Currently tested with SBCL and CCL, hopefully others soon.
+ - Currently tested with SBCL, CCL and ECL (after 2016-09-06). CLISP
+   doesn't (yet) have =uiop:launch-program=.
  - ASDF3 version 3.2.0 (Jan 2017) or later, as =uiop:launch-program=
    is used to run and communicate with python asyncronously.
  - [[https://common-lisp.net/project/trivial-garbage/][Trivial-garbage]], available through Quicklisp.

install.sh

@@ -203,7 +203,7 @@ install_cmucl() {
     # XXX: no CIM support for CMUCL
 }
 
-ECL_TARBALL_URL1="http://common-lisp.net/~loliveira/tarballs/ecl-13.5.1-linux-amd64.tar.gz"
+ECL_TARBALL_URL1="https://common-lisp.net/project/ecl/static/files/release/ecl-16.1.3.tgz"
 ECL_TARBALL_URL2="http://kerno.org/~luis/ci/ecl-13.5.1-linux-amd64.tar.gz"
 ECL_TARBALL="ecl.tar.gz"