add ZSS-540 test case
ZSS-513 is fixed for ZSS-527
revert back zssapp\pom.xml for incorrect commit
fix legend text typo in demo_sample.xlsx
* upgrade ZK version to 6.5.5
* support IE 11
update release-note
update release-note (ZSS-537 should be a new feature)
Merge branch 'origin/3.0'
Merge branch 'origin/3.0'