added count of heroes to controller:superheroes	and templates/tabbed-menu.hbs

addded new controller checker.js which has computed properties providing arrays
  of heroes with various incomplete profiles (no PN, Facebook or Twitter URLS, no
  picture, no DiSC, no email, empty profiles) along with new route for it

new superheroes/checker.hbs which displays the lists of	 incomplete profiles

updated controller:superheroes/show.js to return '' in discStyleDescription,
  discStyleOpposites and discStyleSimilar if model.majorDiscStyle or discStyle
  are empty

updated mail-to.js and *_link.hbs to not return an icon for empty links

new script heroes_csv_to_json.pl which generates JSON to from spreadsheet
  provided by KSD
intentionally damaged several Superhero fixtures to demo the checker page
Merge pull request #38 from trianglegrrl/import-manage

support for import and detection of incomplete profile information