Merge branch 'master' of github.com:perl6/doc

Author: JJ

.travis.yml

@@ -38,9 +38,9 @@ before_install:
 install:
   - wget https://whateverable.6lang.org/HEAD.tar.gz
   - tar -xv --absolute-names -f HEAD.tar.gz
-  - HEAD_BUILD="$(echo /tmp/whateverable/rakudo-moar/*/bin)"
-  - export PATH="$PATH:$HEAD_BUILD"
-  - ZEF_BUILD="$(dirname $HEAD_BUILD)/share/perl6/site/bin"
+  - HEAD_BUILD=$(echo /tmp/whateverable/rakudo-moar/*)
+  - export PATH="$PATH:$HEAD_BUILD/bin"
+  - ZEF_BUILD="$HEAD_BUILD/share/perl6/site/bin"
   - git clone https://github.com/ugexe/zef.git && cd zef && perl6 -Ilib bin/zef install . && cd ..
   - export PATH="$PATH:$ZEF_BUILD"
   - travis_retry zef --/tap-harness --force --/test install LWP::Simple