Added some new qml files for bus feature

GUI for new Bus arrivals feature
Removed Push Up menu from TrafficPage.qml

Due to changes in the OS the Push Up menu is no longer required
if quickscroll is available, if quickscroll is not available push
up menu will be visible
Bus stop arrivals

It is now possible to display bus arrivals for a bus stop if bus
stop code is known.
Added cover for arrivals

Changed CoverBackground to accomodate the new feature
showing bus arrivals
Closing BusStopPage now clears its model

When Closing BusStopPage the cover won't show the
now outdated data.
Fixed a bug that caused segfault

When the QNetworkReply for bus stop failed
the parser was looking at a Json array that was out of range
Merge branch 'devel' into busArrivals

Conflicts:
	src/logic/serviceStatus/servicestatusxmlhandler.cpp
JourneyProgress feature

It is now possible to follow the bus' route
displaying the incoming stops
Added cover for journeyprogress

Active cover now shows next stop when
JourneyProgressPage is active
All pages now report to CoverLogic

All pages report their status to Coverlogic, active page sets
currentPage in CoverLogic to their corresponding enum.
Added cover placeholder

Added a placeholder text to cover to display
when there is no content to diplay
Allowed landscape mode

Landscape mode in BusStopPage and JourneyProgressPage
is now allowed.
Removed Pulley menu

Removed pulley from JourneyProgressPage as it was
only for development purpose.
Added licenses for new files

Added license information to the new files.
Search bus stops by name

It is now possible to search for bus stops by name
Added lisence information

Added lisence information where it was missing
Added documentation

Added documentation to code and done some cleanup
Version 0.4.0

bumped version to 0.4.0 and updated changelog