write managing-users and sign pages
fixed indent
Merge pull request #4 from naoki-akimoto/managing-users_1

write managing-users and sign pages
add en/samples/ktloginviewcontroller-ios files
Merge branch 'en-sample-ktloginviewcontroller-ios'
fixed page-id
Port tutorial 4 and 5 pages.
change page-id.
Merge pull request #7 from shinsuke-nara/tutorial

Port tutorial 4 and 5 pages.