Fixed default imports from Encode module in web pvr
Tag version 2.90
Add BBC Sport as a masterbrand to fetch
Fixed web pvr imports for ancient versions of URI::Escape

h/t @Marginal
Fix episode number search

Close #72
add subcategories after the main categories in the 'catergories' property
Revert "add subcategories after the main categories in the 'catergories' property"

This reverts commit 97bd46d181394a996488833053c408f61105dd77.
Restore subcategories in metadata

Closes #70
Use brand/series thumbnails in radio cache

Some thumbnails will be missing, but will only be noticed in Web PVR.
Episode thumbnails should still applied when downloaded.
Prevent duplicate default versions if JSON playlist used
Web PVR: add /usr/local/bin/get_iplayer to search list
Fixes for --pvr-queue with multiple PIDs
Fixed sanitising --file-prefix and --subdir-format

Sanitise path components individually, not full path
Fixed json playlist parsing to avoid "warning" vpids
Apply JSON parsing fix to radio programmes
Merge remote-tracking branch 'upstream/master'
Suppress bogus errors in PVR log.