Fix potential override issue

Issue detected during code analysis: should not call overridable member
from a constructor.  Changed properties to use a backing field
initialized inline.
Resolve CSS bundling issue

When bundling under a Release config, the bootstrap images referenced in
the CSS cannot find the relative image path.  More info here:
http://stackoverflow.com/questions/11355935/mvc4-stylebundle-not-resolving-images
Fix minification error

"run-time error JS1137: 'delete' is a new reserved word and should not
be used as an identifier" is received when trying to minify under
Publish config.  Changed to use shortcut over method for HTTP delete,
and renamed controller method.
Fix minification error

Receive a runtime JS error after minification due to changing parameter
names.  Changed service methods to array to inject argument names.