QML improvements

* One-touch overlay UI [need user testing]
* JS-powered context menu info
* Text selection added to context menu
* AddressField moved out of overlay, fixed appearing behaviour
QML cleanup

* Removed viewport sending via variant property
* Fixed addressLine behaviour after one-touch overlay added
QML fixies

* addressLine visibility fixed
* old right tab height in start page
Force addressLine unfocus
Merge pull request #21 from CODeRUS/master

QML improvements