.ctags: Set the 'kind' value of JavaScript functions and variables.
.vimrc: Add support to Tagbar for using the JavaScript settings in
.ctags.
.ctags: Set the --field parameter to +nksSa.

This is to mimic the Vim Tagbar plugin.
.ctags: Tweak the patterns used to detect JavaScript functions.

Collapse prototype, this, and quoted function definitions.
.ctags: Add the missing ".min" extension to excluded jQuery files.
.ctags: Remove the JavaScript "string" regex patterns as they generate
too many false positives.