createdBy全局序列化输出

Signed-off-by: lixia <xautlx@hotmail.com>
    /**
     * 基于表单数据完成任务
     * @param taskId
     * @param formProperties
     * @return
     */
    public void submitTaskFormData(String taskId, Map<String, String>
formProperties) 

Signed-off-by: lixia <xautlx@hotmail.com>
BaseEntity的resetCommonProperties设置dirtyRow属性用于clone操作

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    /**
     * 用于辅助构建最近操作说明
     * @param lastOperation 如“审核”
     * @return 追加了登录用户/操作时间等信息的操作说明
     */
    @Transient
    @JsonIgnore
    public String buildLastOperationSummary(String lastOperation) {

Signed-off-by: lixia <xautlx@hotmail.com>
ActivitiService设置activiti的formService为required=false，使框架能在无bpm配置的情况下通过单元测试

Signed-off-by: lixia <xautlx@hotmail.com>
添加fullcalendar组件css和js引用

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FullCalendar组件由1.6升级至最新v2.0.2

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BaseEntity缺省的public String getDisplay() 实现定义

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优化分组聚合的实现，并新增支持as别名语法

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改进Grid日期类型属性的查询支持，基于区间段选取查询

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README添加主子表图展示

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分组统计功能注释说明

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