[sailfish] Use RemorseItem/-Popup before unsubcribing or marking all read

Closes #97
Merge pull request #98 from michael-k/remorse

[sailfish] Use RemorseItem/-Popup before unsubcribing or marking all read
updated translation files
updated spanish translation, regards #100
updated czech translation, regards #100
updated french translation, regards #100
[harmattan] added 'Display Labels in Item List'-Option similar to sailfish version, see c57ac0e463937169f9b8725b2cb446dfe4dd4d96
[harmattan] added romanian to harmattan project file
[harmattan] added sailfish qml's as other files in harmattan project so one can have a look at how things are done
[harmattan] updated copyright date
[sailfish] refactoring of CoverCode with an updateAction signal instead of handing over the model
[sailfish] setting maxwidth for texts in covers allowing for them to be wordwrapped/faded
updated translations file