add start|stop|restart|run to crono executable

this is done using daemonize gem, but it is not breaking the old
interface. But sets a deprected comment to the old one daemonize
process.

spec/cli_spec.rb

@@ -9,10 +9,25 @@ describe Crono::CLI do
       expect(cli).to receive(:load_rails)
       expect(cli).to receive(:start_working_loop)
       expect(cli).to receive(:parse_options)
+      expect(cli).to receive(:parse_command)
       expect(cli).to receive(:write_pid)
       expect(Crono::Cronotab).to receive(:process)
       cli.run
     end
+    context 'should run as daemon' do
+
+      before {cli.config.daemonize = true}
+
+      it 'should initialize rails with #load_rails and start working loop' do
+        expect(cli).to receive(:load_rails)
+        expect(cli).to receive(:start_working_loop_in_daemon)
+        expect(cli).to receive(:parse_options)
+        expect(cli).to receive(:parse_command)
+        expect(cli).not_to receive(:write_pid)
+        expect(Crono::Cronotab).to receive(:process)
+        cli.run
+      end
+    end
   end
 
   describe '#parse_options' do
@@ -31,9 +46,24 @@ describe Crono::CLI do
       expect(cli.config.pidfile).to be_eql 'tmp/pids/crono.0.log'
     end
 
-    it 'should set daemonize' do
+    it 'should set piddir' do
+      cli.send(:parse_options, ['--piddir', 'tmp/pids'])
+      expect(cli.config.piddir).to be_eql 'tmp/pids'
+    end
+
+    it 'should set process_name' do
+      cli.send(:parse_options, ['--process_name', 'crono0'])
+      expect(cli.config.process_name).to be_eql 'crono0'
+    end
+
+    it 'should set monitor' do
+      cli.send(:parse_options, ['--monitor'])
+      expect(cli.config.monitor).to be true
+    end
+
+    it 'should set deprecated_daemonize' do
       cli.send(:parse_options, ['--daemonize'])
-      expect(cli.config.daemonize).to be true
+      expect(cli.config.deprecated_daemonize).to be true
     end
 
     it 'should set environment' do
@@ -41,4 +71,42 @@ describe Crono::CLI do
       expect(cli.config.environment).to be_eql('production')
     end
   end
+
+  describe '#parse_command' do
+
+    it 'should set daemonize on start' do
+      cli.send(:parse_command, ['start'])
+      expect(cli.config.daemonize).to be true
+    end
+
+    it 'should set daemonize on stop' do
+      cli.send(:parse_command, ['stop'])
+      expect(cli.config.daemonize).to be true
+    end
+
+    it 'should set daemonize on restart' do
+      cli.send(:parse_command, ['restart'])
+      expect(cli.config.daemonize).to be true
+    end
+
+    it 'should set daemonize on run' do
+      cli.send(:parse_command, ['run'])
+      expect(cli.config.daemonize).to be true
+    end
+
+    it 'should set daemonize on zap' do
+      cli.send(:parse_command, ['zap'])
+      expect(cli.config.daemonize).to be true
+    end
+
+    it 'should set daemonize on reload' do
+      cli.send(:parse_command, ['reload'])
+      expect(cli.config.daemonize).to be true
+    end
+
+    it 'should set daemonize on status' do
+      cli.send(:parse_command, ['status'])
+      expect(cli.config.daemonize).to be true
+    end
+  end
 end