Now, the forward and back buttons on part of the activity, like the rest of setup. Change-Id: I4c94b8e0ad79c972e2f79be67b80d51f2d19ca30
This allows the user to choose which type of authentication to use for existing IMAP accounts. Change-Id: Ib44364a1059a2c4b8a7a0fa66b14cd042b28770e