written sending-messages.mkd
written receiving-messages.mkd
written settings-topic-acl.mkd
written direct-push.mkd
Merge pull request #47 from naoki-akimoto/ios_push_notification_2

Ios push notification 2
Port "Managing Data" for Javascript (English)
Port managing analytics page for iOS.
Port basic analytics page for iOS.
Port flex analytics page for iOS.
Port analyze application data page for iOS.
Port analyze event data page for iOS.
Remove redundant empty line.
Merge pull request #48 from shinsuke-nara/analytics

Port application analytics section for iOS
move external-keys to _config.yml
Fix page references.
Add top level files for REST API guide.
Merge pull request #49 from shinsuke-nara/check_ref

Fix page references.
Merge pull request #50 from shinsuke-nara/rest

Add top level files for REST API guide.