[TOOLS-4500] Renaming Suggestion of Method Names to Make Them More Descriptive

[hwany7seo]

http://jira.cubrid.org/browse/TOOLS-4500

• misspelled method name change ASIS: getAllVclassListTaskExcute() TOBE: getAllVclassListTaskExecute()

REMARK BackPort from CM (https://github.com/CUBRID/cubrid-manager/pull/216)