Fix guestbook example json syntax error
File name should have changed during query->selector rename.
Make selector parsing deterministic
Merge pull request #190 from lavalamp/fix_name

File name should have changed during query->selector rename. Also, make selector parsing deterministic.
Deflake a test w/ go1.3 random maps.
Merge pull request #189 from brendandburns/fix

Deflake a test w/ go1.3 random maps.
Merge pull request #184 from gottwald/guestbook-fix

Fix guestbook example json syntax error