Feature: Agent Profile Update with avatar (#449)

* Feature: Agent Profile Update with avatar
* Add Update Profile with name, avatar, email and password

app/views/api/v1/profiles/update.json.jbuilder

@@ -0,0 +1,11 @@
+json.id @user.id
+json.provider @user.provider
+json.uid @user.uid
+json.name @user.name
+json.nickname @user.nickname
+json.email @user.email
+json.account_id @user.account_id
+json.pubsub_token @user.pubsub_token
+json.role @user.role
+json.confirmed @user.confirmed?
+json.avatar_url @user.avatar_url