.travis.yml: update for Xenial VMs

Travis uses Xenial VMs meanwhile, which have a very small subset of Perls
available to test with.

Signed-off-by: Jens Rehsack <[email protected]>

Author: rehsack

.travis.yml

@@ -1,18 +1,24 @@
 ---
 install:
-  - cpanm --notest --skip-satisfied App::mymeta_requires
+  - git clone git://github.com/travis-perl/helpers.git travis-perl-helpers
+  - source travis-perl-helpers/init
   - perl Makefile.PL
   - make manifest
-  - mymeta-requires --runtime --build --test --configure --develop --recommends --suggests | cpanm --notest --skip-satisfied
+  - cpanm --notest --with-recommends --with-suggests --with-develop --installdeps .
+  - cpan-install --coverage
 language: perl
 perl:
+  - "5.30"
+  - "5.28"
+  - "5.26"
+  - "5.26-shrplib"
   - "5.24"
   - "5.22"
-  - "5.20-extras"
-  - "5.20"
-  - "5.18-extras"
-  - "5.18"
-  - "5.16"
-  - "5.14"
-  - "5.12"
-  - "5.10"
+matrix:
+  include:
+    - perl: "5.30"
+      env: COVERAGE=1
+before_script:
+  - coverage-setup
+after_success:
+  - coverage-report