Add support for CURRENT_TIMESTAMP function
Add support for default sql function
Merge branch 'master' of github.com:VoltDB/voltdb into ENG-3008-current-timestamp
Add test cases for CURRENT_TIMESTAMP and NOW functions
Code clean up and fix according to Paul's review
Remove the 0 length args for abstract functions
Add multi-partition stored proc test for current_timestamp function
Merge branch 'master' of github.com:VoltDB/voltdb into ENG-3008-current-timestamp
Merge pull request #924 from VoltDB/ENG-3008-current-timestamp

Eng 3008 current timestamp