Merge pull request #1355 from pkgr/pkgr

Fix build on packager.io, enable Debian 8 and CentOS / RHEL 7

.pkgr.yml

@@ -1,10 +1,24 @@
 targets:
+  debian-7: &debian
+    build_dependencies:
+      - libpam0g-dev
+    dependencies:
+      - libpam0g
+      - git
+  debian-8:
+    <<: *debian
   ubuntu-14.04:
+    <<: *debian
   ubuntu-12.04:
-  debian-7:
-  centos-6:
-dependencies:
-  - git
+    <<: *debian
+  centos-6: &el
+    build_dependencies:
+      - pam-devel
+    dependencies:
+      - pam
+      - git
+  centos-7:
+    <<: *el
 before:
   - mv packager/Procfile .
   - mv packager/.godir .