Add .pkgr.yml file for automated packaging on https://pkgr.io

.pkgr.yml

+user: git
+group: git
+before_precompile: ./bin/pkgr_before_precompile.sh
+targets:
+  debian-7: &wheezy
+    build_dependencies:
+      - libicu-dev
+    dependencies:
+      - libicu48
+      - libpcre3
+      - git
+  ubuntu-12.04: *wheezy
+  ubuntu-14.04:
+    build_dependencies:
+      - libicu-dev
+    dependencies:
+      - libicu52
+      - libpcre3
+      - git

bin/pkgr_before_precompile.sh

+#!/bin/sh
+
+set -ex
+
+for file in config/*.yml.example; do
+  cp ${file} config/$(basename ${file} .example)
+done
+
+# No need for config file. Will be taken care of by REDIS_URL env variable
+rm config/resque.yml
+
+# Set default unicorn.rb file
+echo "" > config/unicorn.rb
+
+# Required for assets precompilation
+sudo service postgresql start