fixed scope for user email
fixed scope for user email

scope to request user email is "user:email" not "email"

See: https://developer.github.com/v3/oauth/#scopes
bodefuwa/HeisenBugDev-Mod-Hosting,HeisenBugDev/HeisenBugDev-Mod-Hosting,HeisenBugDev/HeisenBugDev-Mod-Hosting,bodefuwa/HeisenBugDev-Mod-Hosting,bodefuwa/HeisenBugDev-Mod-Hosting,HeisenBugDev/HeisenBugDev-Mod-Hosting