Sortorder woes

- triggers the save timer on swapping direction
- preserves scroll offset on swapping direction
- scrolls to unseen/recent (ie. actually top/bottom) when entering a mailbox

REVIEW: 118229
CCBUG: 335086
Ubuntu: Bump UI toolkit version from v0.1 to v1.1 target Ubuntu14.10

This is to enable the app to be installed on devices which are
running Ubuntu 14.10 and above

REVIEW: 118383
Ubuntu: improve OneMessagePage and the displaying of messages

Created TrojitaWebView component, with the webviews flickable disabled.
Delegating flickable behaviour to the page flickable.

Also i have created a new header component which expands and collapses showing
all envelope details. The email addresses are formatted and clickable
emitting an emailAddressClicked signal

dropdown-menu.svg is part of the Ubuntu-mobile-icons package
available from http://packages.ubuntu.com/trusty/all/ubuntu-mobile-icons
and is available under the CC-BY-SA 3.0. Copyright by 2004-2012,
Canonical Ltd.

REVIEW: 118355