Utils: Added clickAndWaitLoadingWindow

Useful when we have to wait for a connection: wait until a popup
disappears
Utils: added findCheckBoxInListWithTitle

By default, a generic listView has a list of linearLayouts. If we want
to find a checkbox linked to a title, we have to first find the
linearLayout which has a child with this title and then find the
checkBox.
Utils: added checkBox to en/disable a checkbox

need to check if this checkbox object is already checked or not
Added uitests-shadow_socks
Utils: openApp: kill is now optional

(added a new method to not change all uitests)
Utils: added listMoveUp to scroll back