StringUtils::Split: fix processing empty delimiter
Extend test for StringUtils::Split()
StringUtils::Split: optimize
StringUtils::Split: add overload with single char as delimiter
Add tests for StringUtils::Split() overload
Use new overload of StringUtils::Split()
StringUtils::Tokenize: add overload with char as delimiter and use it
Fix incorrect usage of S_IFDIR flag
[release] bump to 14.0 alpha5
[win32][vfs] Add CWin32SMBFile class for files on SMB shares for win32
[win32][vfs] FileFactory: switch to new implementation of Win32SMBFile
[win32] Remove old WINFileSMB and WINSMBDirectory
[pvr] fix: last watched timestamps won't update after channel switch

As we only update the last watched timestamp of the current playing channel before a successful channel switch is performed we sometimes continue the wrong last watched channel and group.
[vobsub] always set correct source value when creating vobsub stream in demuxer
[vobsub] set filename2 on all vobsub streams that are part of the external file
[vobsub] don't prioritize external VOBSUBs over external SRTs
[vobsub] ensure external vobsubs included in the idx file are all marked as (external)
set deinterlace mode to AUTO as default
fixup: drop const for CPVRChannel
linuxrenderer: remove obsolete includes