* rename from DatasourceUserMapper to DataSourceUserMapper
* add unit test in UserMapper and WorkerGroupMapper
* change cn.escheduler to org.apache.dolphinscheduler
* add unit test in UdfFuncMapperTest
* add unit test in UdfFuncMapperTest
* remove DatabaseConfiguration
* add ConnectionFactoryTest
* cal duration in processInstancesList
* change desc to description
* change table name in mysql ddl
* change table name in mysql ddl
* change escheduler to dolphinscheduler
* change escheduler to dolphinscheduler
* change escheduler to dolphinscheduler
* remove log4j-1.2-api and modify AlertMapperTest
* remove log4j-1.2-api
* Add alertDao to spring management
* Add alertDao to spring management
* get SqlSessionFactory from MybatisSqlSessionFactoryBean
* get processDao by DaoFactory
* read druid properties in ConneciontFactory
* read druid properties in ConneciontFactory
* change get alertDao by spring to DaoFactory
* add log4j to resolve#967
* resole verify udf name error and delete udf error
* Determine if principal is empty
* Determine whether the logon user has the right to delete the project
* Fixed an issue that produced attatch file named such as ATT00002.bin
* fix too many connection in upgrade or create
* fix NEED_FAULT_TOLERANCE and WAITTING_THREAD count fail
* Added a judgment on whether the currently login user is an administrator
* fix update udf database not change and create time is changed
* add enterprise.wechat.enable to decide whether to send enterprise WeChat
* change method check
* Remove the administrator's judgment on query access token list
* only admin can create worker group
* delete alert group need delete the relation of user and alert group
* add timeout in proxy when upload large resource
* add gets scheduled times by expect fire times
* add gets scheduled times by expect fire times
* Increase the judgment of whether it is admin
* Increase the judgment of whether it is admin
* when delete access token add whether login user has perm to delete
* change mysql-connector-java scope to test
* update scm test
* add profile test
* Add method and parameters comments
* roll back