Merge pull request #37 from xqliu-talend/maintenance/5.6

TDQ-9492 "view keys" and "view index" function in overview anlaysis get ...
TDQ-8724 for jdbc connection always get "Confirm Reload Connection" dialog, even doesn't not change anything.
https://jira.talendforge.org/browse/TDQ-8724
Merge branch '5.6'