Added tests for droptable, dropindex, dropview, dropprocedure, alterdropconstraint, some alteraddconstraint
Merge master to 'ENG-7201-add-new-ddl-statements'
added altertable tests
Merge branch 'master' into ENG-7201-add-new-ddl-statements
Adding Chris work back
added comments and requested constraint test
Merge branch 'master' into ENG-7201-add-new-ddl-statements
Modified alter table add constraint parameters
Merge pull request #1854 from VoltDB/ENG-7201-add-new-ddl-statements

Eng 7201 add new ddl statements