Update games.js

· Crypt Run: deleted obsolete comment about Linux support
· Mercenary Kings: includes a Steam Early Access key
· Paranautical Activity: includes a Steam key
· Sky Nations: added a second widget and set Desura as false since there's no indication of including a key
· The Novelist: includes a Steam key. Also relocated it to preserve alphabetical order
· Volgarr the Viking: includes a Steam key and a digital manual