changed the 'state' key/value to support non-boolean values

sample_toggle_config.json

{"name": "jsappbasics", "features":
	[
	    {"name":"video", "state":"disabled", "default": "enabled", "rules":[
	    	{"state": "disabled", "value": 
	    		{"apilevel_min": 21, "apilevel_max": 23, "appversion_min": 11, "appversion_max": 13, "date_min": 1452766668000, "date_max": 1455566668000, "buildtype":"debug", "device":[{"manufacturer":"xiaomi","model":"mi3"}, {"manufacturer":"samsung", "model":"s4"}]}
		}, 
	    	{"state": "disabled", "value": {"appversion_max": 13}}
	    ]},
	    {"name":"crash_reporting", "rules":[
	    	   	{"state": "disabled", "value": 
	    	   		{"appversion": 11, "buildtype": "false"}
	    	   	}
	    	]
	    },
	    {"name":"mixpanel","default": "enabled", "rules":[
	    	{"state": "disabled", "value": 
	    		{"device":[{"model":"Google Nexus 5 - 5.1.0 - API 22 - 1080x1920"}, {"manufacturer":"samsung", "model":"s4"}]}
		}
	    ]}
	]
}