glw: Reduce memory footprint
httpclient: Accept 'utf-8' as Content-Encoding
prop_unmark(): Don't crash if passed NULL
Fix some recently introduced bugs in GLW
glw: Merge multiple flag setting statements into one in view files
rpi: Various work on getting video playback working on Rpi
glw/viewoptimizer: Merge static clearing of flags into flag ops
osx: Fix build break
Remove restrict qualifier
hls: Various work on HLS
configure.inc: some refactoring
audio: Deal with playing audio from ZIP files

If a ZIP file is given to the audio file player it will try to open
it and try to play each file until it finds one that it can play.
lirc: include cleanup
hls: misc work
glw: Fix some recently introduced bugs
settings: Fix broken dir-create in settinsg
Make "autoplay next video in list" work for UPNP

Fixes #1680
ssa/ass: Handle hardspace '\h'
constification
Fix codec leak