Fix some quoting

Looks like some name values are quoted and some are not, regardless of
whether they're multi-word or not.

Consider this commit a downpayment on what will likely be a much larger
cleanup effort.

Perl_Companies.yaml

@@ -13057,16 +13057,16 @@
   name: Thermeon Europe Ltd
 - location: 'United States, NY, New York'
   most_recent_posting: 2004
-  name: Think Design
+  name: 'Think Design'
 - location: 'United States, NY, New York'
   most_recent_posting: 2005
   name: 'Think Design, Inc.'
 - location: 'Belgium, Flanders, Ghent'
   most_recent_posting: 2006
-  name: Think Wize
+  name: 'Think Wize'
 - location: 'India, Karnataka, Bangalore'
   most_recent_posting: 2006
-  name: ThinkAhead Advisory Services Pvt Ltd
+  name: 'ThinkAhead Advisory Services Pvt Ltd'
 - location: 'United States, Virginia, Fairfax'
   most_recent_posting: 2003
   name: 'ThinkGeek, Inc.'