* Python, sql, sqoop task node editor adds zoom function

* fix

* fix worker group config no effect

* remove codehaus janino jar
the license about janino maybe not compatiable with Apache v2

* Merge remote-tracking branch 'upstream/dev-1.3.0' into dev-1.3.0

# Conflicts:
#	dolphinscheduler-server/src/main/resources/config/install_config.conf

* datasource config

* Update datasource.properties

* fix RunConfig bug

* remove param monitor server state

* fix table T_DS_ALERT

* update h2 database

* fix #2910 master server will show exception for some time when it restart

* fix oom when no master is active

* fix worker oom when master server restart

* fix oom

* fix

* add UT

* fix worker group config no effect

* fix bug: send task result to master until success.

* fix bug: send task result to master until success.

* add sleep

* set null if send result failed

* set null if send result failed

* change max length of username to 39

* test for gc

* change version to 1.3.0

* check and add some license files

* check and add some license files

* revert
Co-authored-by: Nbaoliang <baoliang@analysys.com.cn>

* fix:  local param bug

* fix: UT bug
Co-authored-by: NRubik-W <whm_777@163.com>

* fix worker group config no effect

* remove codehaus janino jar
the license about janino maybe not compatiable with Apache v2

* Merge remote-tracking branch 'upstream/dev-1.3.0' into dev-1.3.0

# Conflicts:
#	dolphinscheduler-server/src/main/resources/config/install_config.conf

* datasource config

* Update datasource.properties

* fix RunConfig bug

* remove param monitor server state

* fix table T_DS_ALERT

* update h2 database

* fix #2910 master server will show exception for some time when it restart

fix create table sql exception

Fixed selection of tenant value and defalut changed to lower case

* fix bug: sqoop mysql import params error

* fix bug: sqoop mysql import params error

merge method updateuser if and fix bug#2892

fix [BUG] When editing user information, clear the phone number, the database table t_ds_user.phone is not cleared #2892

* copy resources need get top directory first

* copy resources need get top directory first

* fix #2860:copy files and create empty directory

* Fix bug:If user didn't set the value of tenant,release process definition online fail

* copy resources need get top directory first

* copy resources need get top directory first

* fix #2860:copy files and create empty directory

* copy resources need get top directory first

* copy resources need get top directory first

* fix bug: send task result to master until success.

* fix bug: send task result to master until success.

* add sleep

* set null if send result failed

* set null if send result failed

* change max length of username to 39
Co-authored-by: Nbaoliang <baoliang@analysys.com.cn>

mr resource display and create user username length cannot be less th…

* fix worker group config no effect

* remove codehaus janino jar
the license about janino maybe not compatiable with Apache v2

* Merge remote-tracking branch 'upstream/dev-1.3.0' into dev-1.3.0

# Conflicts:
#	dolphinscheduler-server/src/main/resources/config/install_config.conf

* datasource config

* Update datasource.properties

* fix RunConfig bug

* remove param monitor server state

* fix table T_DS_ALERT

* add source license full text into source license

* exclude ScriptRunner.java on rat check

* change notice copyright date from 2019 to 2019-2020

* fix table not exist when init db metadata

* fix db init error

* fix ds-1.3.0 init db

* init db modify process instance json
Co-authored-by: Neights <yelli.hl@foxmail.com>

Fix abnormal display of regular worker parameters

* add source license full text into source license

* exclude ScriptRunner.java on rat check

1. DS cant run bat script
2. DS cant run python script
3. DS cant run datax script

* fix bug: send task result to master until success.

* fix bug: send task result to master until success.

* add sleep

* set null if send result failed

* set null if send result failed
Co-authored-by: Nbaoliang <baoliang@analysys.com.cn>

* feature: add number configuration for master dispatch tasks

* fix bug(#2762) the master would be blocked when worker group not exists

* fix bug(#2762) the master would be blocked when worker group not exists

* fix ut

* fix ut

* fix bug(2781): cannot pause work flow when task state is "submit success"

* fix code smell

* add mysql other param blank judge

* test

* update comments

* update comments

* add ut

* fix bug: Restart the worker service again, the previously submitted successful tasks are not executed

* update comments

* add sleep

* add null point check

* fix bug:After the master is fault-tolerant, it cannot resume operation

* fix bug: do not failover the host is 'NULL' process

* fix bug:worker failover error.
Co-authored-by: Nbaoliang <baoliang@analysys.com.cn>

Add tips for download workflow