Valuenet form improvements

Chrome extension that improves Valuenet site for appraisers to make things easier.

Below is a list of the improvements

• Convert 10-digit phone numbers from "1234567890" to "(123) 456-7890"
• Compute the age in years by subtracting a 4-digit year from this year.

Ideas for improvements

• Add field documentation (hover help)
• Add ability to turn featues on/off
• Add build of extension
• Add auto upload/publish of extension