hello/Filer a6e1233src desktop-preferences.ui

Simplify desktop picture dialog UI

Closes #177
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+26-39src/desktop-preferences.ui
+26-391 files

hello/Filer 4769591src folderitemdelegate.cpp desktopitemdelegate.cpp, src/translations filer-qt_ka.ts filer-qt_sv.ts

Use system font for desktop, add git emblems, fix rendering of text/box under icons

git emblems work but requires `emblems/48/emblem-symbolic-git.png` to be available in the icon set
https://github.com/helloSystem/Filer/issues/157
DeltaFile
+472-478src/translations/filer-qt_ka.ts
+83-31src/folderitemdelegate.cpp
+84-23src/desktopitemdelegate.cpp
+29-57src/desktop-preferences.ui
+25-31src/translations/filer-qt_sv.ts
+25-31src/translations/filer-qt.ts
+718-65130 files not shown
+1,390-1,30336 files

hello/Filer 06b936ffiler mainwindow.cpp, filer/translations filer-qt_de.ts filer-qt_pl.ts

Merge filer/ and libfm-qt/ into src/
TODO: Merge src/translations and src/translations2
DeltaFile
+0-1,467filer/mainwindow.cpp
+1,467-0src/mainwindow.cpp
+0-1,462filer/translations/filer-qt_de.ts
+1,462-0src/translations/filer-qt_de.ts
+0-1,456filer/translations/filer-qt_pl.ts
+1,456-0src/translations/filer-qt_pl.ts
+4,385-4,385419 files not shown
+79,730-79,677425 files