[WIP] series无法设置name为set、get

[orca-zhang]

One-line summary [问题简述]

series设置name为set、get后，无法正常显示
测试时使用折线图
控制台抛错信息为set、get不为function，猜测属性覆盖了方法

Version & Environment [版本及环境]

• ECharts version [ECharts 版本]:2.0
• Browser version [浏览器类型和版本]:Chrome 63.0
• OS Version [操作系统类型和版本]:Windows 10 (1709)

Expected behaviour [期望结果]

能够正常显示

ECharts option [ECharts配置项]

option = {
    title: {
        text: 'linked_hash_set'
    },
    tooltip: {
        trigger: 'axis'
    },
    legend: {
        data:['get','set']
    },
    grid: {
        left: '3%',
        right: '4%',
        bottom: '3%',
        containLabel: true
    },
    toolbox: {
        feature: {
            saveAsImage: {}
        }
    },
    xAxis: {
        type: 'category',
        data: ['insert','count','find','erase','pop_front','clear']
    },
    yAxis: {
        type: 'value'
    },
    series: [
        {
            name:'get',
            type:'line',
            data:[2.50, 1.61, 1.75, 0.05, 0.00, 0.00]
        },
        {
            name:'set',
            type:'line',
            data:[0.16, 0.29, 0.15, 0.11, 0.00, 0.00]
        }
    ]
};

Other comments [其他信息]

[stale]

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