:hammer: updated package.json

Modified 'keywords', 'homepage' items. Added 'engines' item.
added crossdomain.xml
added favicon
added humans.txt
added IEconfig.xml
added logo.svg
added manifest.appcache
added contoso1.xml
added some local js librarys
added robots.txt
added sitemap.index.xml
sitemap.1.xml
updated sitemap.index.xml

Modified 'lastmod'.
updated IEconfig.xml
updated humans.txt
added some icons & startup images
updated IEconfig.xml
updated .gitignore
added design folder