TDQ-9410: change the about menu text
TDQ-9405: fix testcase
TDQ-9405: fix a classNotFound exception
TDQ-9378 Make TOS DQ compatible with Apache license
https://jira.talendforge.org/browse/TDQ-9378
don't check the sqlexplorer.jar exist or not when start TDQEE
Merge branch 'feature/tdq-9378_a' into 5.6
Merge branch '5.6'