Add default for dropdowns

[ChrisZieba]

The default option for dropdowns has not yet been implemented.

[ChrisZieba]

The default tries to match the ID of the value, so it will prepopulate the dropdown only if there is a match.

You can use logic to prepopulate the dropdown against a saved variable in the interview. For example, the default could contain something like this:

<% (name === "Charles") ? "Boss" : "Employee" %>

In this case, name is a variable from the interview.

[mhmilon]

The Number type dropdowns also need to be implemented. It does not accept anything but numbers.

[ChrisZieba]

Ah yes, I forgot about the number dropdowns.

[mhmilon]

Stylesheet update on a clone does not work. It only takes the stylesheet from the master interview.

[ChrisZieba]

@mhmilon I moved your issue to a new one here: #5