adds gemspec

Does not yet include nissue

openproject_backlogs.gemspec

@@ -0,0 +1,24 @@
+$:.push File.expand_path("../lib", __FILE__)
+
+# Maintain your gem's version:
+require "openproject/backlogs/version"
+
+# Describe your gem and declare its dependencies:
+Gem::Specification.new do |s|
+  s.name        = "openproject_backlogs"
+  s.version     = OpenProject::Backlogs::VERSION
+  s.authors = "Finn GmbH"
+  s.email = "info@finn.de"
+  s.homepage = "http://www.finn.de"
+  s.summary     = "TODO: Summary of OpenprojectBacklogs."
+  s.description = "TODO: Description of OpenprojectBacklogs."
+
+  s.files = Dir["{app,config,db,lib}/**/*", "Rakefile", "README.rdoc"]
+  s.test_files = Dir["spec/**/*"]
+
+  s.add_dependency "rails", "~> 3.2.9"
+  s.add_dependency "prawn"
+
+  s.add_development_dependency "sqlite3"
+  s.add_development_dependency "factory_girl_rails", "~> 4.0"
+end