Remove several references to "buefy" name

class methods, template filenames, etc.

also made various edits per newer conventions

tailbone/templates/customers/view.mako

@@ -9,7 +9,7 @@
   % endif
 </%def>
 
-<%def name="render_buefy_form()">
+<%def name="render_form()">
   <div class="form">
     <tailbone-form @detach-person="detachPerson">
     </tailbone-form>