Merge pull request iview#890 from LZHD/master

修复点击关闭其他标签页报错

Merge pull request iview#887 from iview/2.0

修复点击关闭标签页的bug

Merge pull request iview#812 from iview/2.0

2.0

update

update to 1.3.0

add split-pane

update iview-area to 1.5.12

fixed the bug about issue 251 iview#251

update

update