3.0 improve reference bean register

[kylixs]

What is the purpose of the change

Improve reference bean register, make xml parsing and annotation processing register bean definition in a similar way, solving the problem of reference injection.

Brief changelog

@DubboReference annotation and <dubbo:reference /> xml elements:

1. The main processing logic of @DubboReference annotation:

• First, scan all bean definitions, find the field and method annotated by @DubboReference, and register the reference bean definition;
• Then, inject the reference bean to other beans by matching type and name;

2. Support using@DubboReference with @Bean in java-config class, and support @Conditional on ReferenceBean
   By post processing AnnotatedBeanDefinition which created by java-config @Configuration class , parsing @DubboReference with @Bean and set reference props to bean definition attribute.

3. Improve reference bean props populating

4. Through the reference key, if the attributes of @DubboReference annotation and the <dubbo:reference /> xml bean are the same, they share the same bean definition.

5. The default value of @DubboReference/@DubboService/@Method/@Argument annotated int type is changed to -1, and the default value of String type is an empty string.
   @DubboReference and @DubboService annotations add scope attribute, @method annotation adds parameters attribute.

Others:

1. Upgrade Spring version to 5.x
2. Upgrade dubbo-config-spring unit tests to junit 5
3. Add tests for issuse Autowired a ReferenceBean failed in some situation in Spring enviroment. #6000 and registry twice consumer service use @DubboReference annotation #7003 , localcall and import xml
   and xml/注解方式定义的消费服务bean如何配合@Conditional相关注解 dubbo-spring-boot-project#779

TODO:

1. fix dubbo-spring-boot unit tests

Verifying this change

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[codecov-io]

Codecov Report

Merging #7497 (0e6eb47) into 3.0 (be54ec2) will increase coverage by 1.18%.
The diff coverage is 73.98%.

@@             Coverage Diff              @@
##                3.0    #7497      +/-   ##
============================================
+ Coverage     57.61%   58.80%   +1.18%     
- Complexity      371      372       +1     
============================================
  Files          1049     1052       +3     
  Lines         41915    42214     +299     
  Branches       6245     6278      +33     
============================================
+ Hits          24149    24823     +674     
+ Misses        14980    14650     -330     
+ Partials       2786     2741      -45     

Impacted Files	Coverage Δ	Complexity Δ
.../org/apache/dubbo/config/AbstractMethodConfig.java	100.00% <ø> (ø)	0.00 <0.00> (ø)
...ain/java/org/apache/dubbo/config/MethodConfig.java	98.73% <ø> (ø)	0.00 <0.00> (ø)
...org/apache/dubbo/config/context/ConfigManager.java	78.46% <ø> (+0.47%)	0.00 <0.00> (ø)
.../factory/annotation/ServiceClassPostProcessor.java	84.10% <ø> (+2.64%)	0.00 <0.00> (ø)
.../config/spring/reference/ReferenceBeanBuilder.java	7.07% <7.07%> (ø)	0.00 <0.00> (?)
...nnotation/AbstractAnnotationBeanPostProcessor.java	67.72% <57.57%> (-2.91%)	0.00 <0.00> (ø)
...onfig/spring/schema/DubboBeanDefinitionParser.java	79.77% <83.33%> (+11.71%)	0.00 <0.00> (ø)
.../config/spring/reference/ReferenceBeanManager.java	85.71% <85.71%> (ø)	0.00 <0.00> (?)
...notation/ReferenceAnnotationBeanPostProcessor.java	85.50% <85.89%> (+4.95%)	0.00 <0.00> (ø)
.../org/apache/dubbo/config/spring/ReferenceBean.java	90.66% <87.80%> (+34.66%)	0.00 <0.00> (ø)
... and 100 more

---

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[codecov-commenter]

Codecov Report

Merging #7497 (4e01a17) into 3.0 (175d85f) will increase coverage by 1.17%.
The diff coverage is 73.72%.

@@             Coverage Diff              @@
##                3.0    #7497      +/-   ##
============================================
+ Coverage     57.17%   58.35%   +1.17%     
- Complexity      402      404       +2     
============================================
  Files          1063     1066       +3     
  Lines         42700    43004     +304     
  Branches       6387     6421      +34     
============================================
+ Hits          24413    25094     +681     
+ Misses        15465    15125     -340     
+ Partials       2822     2785      -37     

Impacted Files	Coverage Δ	Complexity Δ
.../org/apache/dubbo/config/AbstractMethodConfig.java	100.00% <ø> (ø)	0.00 <0.00> (ø)
...ain/java/org/apache/dubbo/config/MethodConfig.java	98.73% <ø> (ø)	0.00 <0.00> (ø)
...a/org/apache/dubbo/config/ReferenceConfigBase.java	69.00% <ø> (+12.00%)	0.00 <0.00> (ø)
...org/apache/dubbo/config/context/ConfigManager.java	78.46% <ø> (+0.47%)	0.00 <0.00> (ø)
.../factory/annotation/ServiceClassPostProcessor.java	84.10% <ø> (+2.64%)	0.00 <0.00> (ø)
.../config/spring/reference/ReferenceBeanBuilder.java	9.09% <9.09%> (ø)	0.00 <0.00> (?)
...nnotation/AbstractAnnotationBeanPostProcessor.java	67.72% <57.57%> (-2.91%)	0.00 <0.00> (ø)
.../org/apache/dubbo/config/spring/ReferenceBean.java	87.50% <79.48%> (+31.50%)	0.00 <0.00> (ø)
...onfig/spring/schema/DubboBeanDefinitionParser.java	79.77% <83.33%> (+11.71%)	0.00 <0.00> (ø)
.../config/spring/reference/ReferenceBeanManager.java	85.71% <85.71%> (ø)	0.00 <0.00> (?)
... and 98 more

---

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Δ = absolute <relative> (impact), ø = not affected, ? = missing data
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[chickenlj]

LGTM.