mod_base/core: added 'qarg' argument to postback actions.
Enables adding the value of input elements as query args to the postback.
(cherry picked from commit 3ca046dfc74fff32e5f91d38ce3f8b344eba4e5b)
mod_base: moved the e-mail validation regexp to z_stdlib's z_email_utils.erl.
(cherry picked from commit 0e48c1ab45b9397066af41afcdaeea56ac23ec39)
mod_authentication: fixes for password reset e-mail and some error feedback messages.
(cherry picked from commit fe99e99ce48a1ccf9edff4821180800affa89765)
mod_admin_identity: added a control to add/verify e-mail identities instead of the e-mail address input for a person.
The verification is done by sending an e-mail with a verification link that needs to be followed.
Added extra maintenance functions to m_identity.
Added observer for #rsc_update_done{} to copy new e-mail addresses to the identity model.
core: fix spec of function.
(cherry picked from commit 46137b4f6ec11af42bddf2bf045f9878c5183f31)
mod_admin_identity: fix for update_done notifications other than insert and update.
(cherry picked from commit df3d487f3745da4635b6ec2649914c85c7cbc201)
mod_admin_identity: added #identity_verified{} notitication. Used to mark a verified identity to an user.
(cherry picked from commit 58e3c67dde98a5dd4acb31df0693a78884e69e9b)