Merge pull request #4 from santec/master

get_percentile(), fvrand(), disable()
Merge pull request #6 from santec/master

more checks on create() rename() set_definition() params + trivial tests
Merge pull request #10 from santec/master

get_delta_join + fixes + fixes
Fix issue with reading the settings file
Add new exists.sql file to install_procs.sql.  Add warnings to DISABLE command.  Add checks to DISABLE command.  Add new column to mview table
Add new DROP procedure
Add new DROP procedure.  Make drop behavior clear when tables exist but the view is disabled
Fix issue for insertions with string mapper
Make start_workers easier to use
Update INSTALL
Merge pull request #3 from greenlion/master

update