[client][HatoholUserEditDialog] Fix an inappropriate function name.

postAddAction ->
postAddUser
[client][HatoholUserEditDialog] Fix inappropriate id.

add-action-div ->
add-user-div
[client] Add a skeleton of a new object "HatoholUserProfile".

It will fetch & store current user's profile, and also manage
related UI. It may be unified with HatoholUserConfig in the future.
[client][HatoholSelectorDialog] Revert wrong modification in f409459de.

I misinterpreted HatoholSelectorDialog as HatoholPriviledgeSelectorDialog...
[client] Add a menu for current user.

Currently it has only one menu item "Logout".
[client] Remove the needless default text in the user menu button
[client] Remove needless "navbar" block
[client][HatoholNavi] Fix indent
[hatohol-def-src-file-generator] Add remaining OperationPriviledge flags
[client][HatoholNavi] Don't show "Users" item to guest users
[client][HatoholNavi] Require all user related flags to show "Users" navi item
Merge branch 'issue58-3'