Log Message:
update to 1.21

1.21

* Fix output for 7.2 in regards to indexes. ( Rod)
* Correct a configure issue with some non-standard versions of Bash. ( Rod)

1.20

* Use View heading for views rather than calling them tables. ( Andrew)
* Add an option to specify the template location during execution. ( Andrew)
* Add an option to specify a specific output type, rather than
  receiving all possible types. ( Andrew)
* Display limited function information in HTML and DocBook output formats.
  ( Andrew, Rod)
* Output limited information about non-unique table indexes in DocBook
  output. Unique indexes are already displayed as constraint output. ( Rod)