Adjusted config to accommodate table prefixes, views/layouts to link correctly to Plugin assets

Initial install didn't work with my table prefixes so adjustments to _construct. Added new config for table engine. Adjusted views to use correct Plugin asset linking.

Signed-off-by: Tony Coyle <udon@chopstik.net>
Merge pull request #1 from chopstik/master

Config amends, initial setup, form re-direction and layout tweaks