Calculator fixes

Adjusted footer links
Fixed pre-order image
Adjusted calculator JS code to show / hide form and previous results
Messaging fixes on calculator
Validation on calculator form
Removal of downloadable calculator

-Removed zip file for calculation of units
-Adjusted text to link to calculator on technology page
Added Salesforce Package
Update item quantity based on unify and Collect data into SF & MailChimp
Update item unit and collect data into SF & Mailchimp
Set Item quantity in PreOrder Form ( If need enable Line No 6 in calculator.js )
Set Item quantity in PreOrder Form ( If need enable Line No 6 in calculator.js )
Fixed for calculator and SF

Adjusted verbiage for confirmation of form sent
Fixed SF password
Merge branch 'rr-calculatorcleanup'