Using mode_cost_<id> parameters instead of transport_types

HSL API doesn't allow to exclude "uline" with transport_types so
changed to model_cost_<id> for adding more options in the future
Added options for U-line and Service lines
Helsinki specific route options are now hidden when using Tampere API
Added option for Search button location
Fixed reference error when ShortCode is undefined
Added more route details to Clipboard
Added initial more detailed route cover
Clarified the cover contents
Added +/-15min indicators to ResultPage
Added initial TimeSwitch to replace Now-button
Fixed time difference calculation - fixes #18
Cosmetic fixes to MainPage
Fixes to QML-library imports
Changed icons to default Sailfish icons
Updated translations
Bumbed version number and updated Changelog