Testing odbc+wx on OTP 20.3 on a slim jessie (#271)

* wx-20.3: seeing about kerl/kerl/issues/270

* wx-20.3: less failible test + less deps

* wx-20.3: move linux tests out of TravisCI into CircleCI

* wx-20.3: always use git backend (erlang.org is still down)

* wx-20.3: work around fact that erlang.org is down in .travis.yml

* wx-20.3: fix some things

* wx-20.3: looks like skipping happens too late

* Revert "wx-20.3: looks like skipping happens too late"

This reverts commit e0600cefa71760e9bd74e7efc37089d5d75e764e.

* wx-20.3: that should fix it

* wx-20.3: run shellcheck in circle, now travis is only about osx!

* wx-20.3: that did not fix it (cc @mrallen1)

* wx-20.3: shellcheck stable segfaults?

* wx-20.3: should fix shellcheck segfault

* SC1117: Backslash is literal in "\!". Prefer explicit escaping: "\\!".

Not sure about the csh one. @mcrallen1 you have a clue?

* wx-20.3: SC2207: Prefer mapfile or read -a to split command output (or quote to avoid splitting).

* wx-20.3: SC2154: words is referenced but not assigned.

* wx-20.3: replace some double quotes with simple ones

* wx-20.3: ps not found on debian9!?

* wx-20.3: what now

* wx-20.3: lets try a later vsn

* wx-20.3: some cleaning up

* wx-20.3: YAML fun

* wx-20.3: wat

1 files changed, 3 insertions, 3 deletions

diff --git a/README.md b/README.md
index cde4550..9700327 100644
--- a/README.md
+++ b/README.md
@@ -238,17 +238,17 @@ Directory in which kerl will clone git repositories for building.
 
 ### KERL_CONFIGURE_OPTIONS
 
-Options to pass to `configure` when building OTP.
+Space-separated options to pass to `configure` when building OTP.
 
 
 ### KERL_CONFIGURE_APPLICATIONS
 
-List of OTP applications which should exclusively be built.
+Space-separated list of OTP applications which should exclusively be built.
 
 
 ### KERL_CONFIGURE_DISABLE_APPLICATIONS
 
-List of OTP applications to disable during building.
+Space-separated list of OTP applications to disable during building.
 
 
 ### KERL_BUILD_PLT