Merge branch 'ENG-4695' into ENG-4697-to-timestamp
Add new SQL FUNCTION: to_timestamp()
Make the variable more meaningful and fix the comments
Change the variable name
Merge pull request #570 from VoltDB/master

merge master
Merge branch 'master' of github.com:VoltDB/voltdb into ENG-4697-to-timestamp
bug fix, change the return type of since_epoch from int to bigint
Merge branch 'ENG-4697-to-timestamp' of github.com:VoltDB/voltdb into ENG-4697-to-timestamp
Strengthen the tests for SINCE_EPOCH and TO_TIMESTAMP SQL functions
Merge remote-tracking branch 'origin/master' into ENG-4697-to-timestamp
Merge pull request #567 from VoltDB/ENG-4697-to-timestamp

Eng 4697 to timestamp