Removed crufty, commented out code
Removed Applescript-powered email notifications support
Code cleanup / streamlining

- Removed Applescript-powered email notifications support
- Removed no longer necessary passing around of keywords & location
sets in functions
Code cleanup and pruning

-- Corrected several functions that should be private but were not.
-- Removed functions and variables that passed around location sets.
Location sets are now set and passed as part of the details of each
search.
- Moved public functions to the top of the class