[win32] update VS project files
[osx/ios/atv2] updated xcode project
[skin.confluence] add slider control to SettingsCategory.xml
[skin.confluence] adjust DialogMediaFilter.xml
[skin.confluence] adjust DialogContentSettings.xml
[skin.confluence] adjust VideoOSDSettings.xml
[skin.confluence] adjust LockSettings.xml
[skin.confluence] adjust ProfileSettings.xml
[skin.confluence] adjust DialogPeripheralSettings.xml
[skin.confluence] adjust DialogPVRTimerSettings.xml
[pvr] remember last watched group
[pvr] set the last played group as selected group at startup
[pvr] rewrite of SearchAndSetChannelIcons() to use directory listing
remove libsamplerate and related dead code
sync Xcode project after libsamplerate drop, sync darwin configuration
Remove libsamplerate from MSVC project files
Update docs and gitignore after libsamplerate drop
Merge pull request #4629 from FernetMenta/byebye

remove libsamplerate and related dead code
[gui] bump gui version to 5.0.2
[pvr] adds a background job to search for missing channel icons

This adds a background job to search for missing channel icons, which is exectued on every PVR manager start.