Inventory view added.

Markup for Sales view changed.

Add inventory and add sales views split into separate
pages to avoid js injection pollution.

Autocomplete method wrapped to shorten code in the calling
functions.

TO DO:
[X] Add inventory view
[ ] JSON remote loading
[ ] Add reports view
Data now loaded via AJAX (jQuery .getJSON method)

TO DO:
[X] JSON remote loading
[ ] Add reports view
Changed variable name testData -> clientData.

Removed console.log expressions.

TO DO:
[ ] Add reports view