add -i to the bash job template

lib/whenever/setup.rb

@@ -5,7 +5,7 @@ set :path, Whenever.path
 
 # All jobs are wrapped in this template.
 # http://blog.scoutapp.com/articles/2010/09/07/rvm-and-cron-in-production
-set :job_template, "/bin/bash -l -c ':job'"
+set :job_template, "/bin/bash -i -l -c ':job'"
 
 job_type :command, ":task :output"
 job_type :rake,    "cd :path && RAILS_ENV=:environment rake :task --silent :output"

test/functional/output_default_defined_jobs_test.rb

@@ -31,7 +31,7 @@ class OutputDefaultDefinedJobsTest < Test::Unit::TestCase
     end
     
     should "output the command with the default job template" do
-      assert_match /^.+ .+ .+ .+ \/bin\/bash -l -c 'blahblah'$/, @output
+      assert_match /^.+ .+ .+ .+ \/bin\/bash -i -l -c 'blahblah'$/, @output
     end
   end