LowerCamelCaseVariableNamingRule 和 StringConcatRule

[rhinoceros]

resolved #458

    LowerCamelCaseVariableNamingRule: 删除重复的LowerCamelCaseVariableNamingRuleTest8;
    StringConcatRule: line130 注释掉  ======================================================================

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[xuantan]

3ks.