2.1.x

Merge pull request #732 from alibaba/2.1.x

2.1.x

2.1.0 beta1

导出时，忽略Model中的static final和transient

add contributes

新增写文件加密功能

# Conflicts:
#	abouteasyexcel.md
#	pom.xml
#	quickstart.md
#	src/main/java/com/alibaba/excel/write/metadata/holder/WriteWorkbookHolder.java
#	src/test/java/com/alibaba/easyexcel/test/temp/simple/HgTest.java
#	update.md

修改 abouteasyexcel.md

2.0.5

修正错别字

# Conflicts:
#	pom.xml
#	src/test/java/com/alibaba/easyexcel/test/temp/simple/HgTest.java
#	update.md