spawn: allow spawnv stdout/stderr redirection to logs
spawn: implement spawn_kill, improve IPTV pipe (busy loop)
linuxdvb,satip,hdhomerun: make uuid persistent per tuner
hdhomerun: remove hf_master code - not used
bouquet: extend help
http: improve the request dump (for post)
linuxdvb: add more traces to linuxdvb_frontend_network_list()
dvb support: revert dvb_sat_position_to_str() change (missing direction character)
iptv pipe: handle the backslash character, fixes#2487
epggrab: ota - fix om_requeue handling
iptv pipe: fix the backslash handling
htsp: another fix for H264 - headers merge

The real headers merge is in avc_convert_pkt() but this is called
only from the global headers plugin. Add the global headers plugin
to all HTSP chains.

This patch removes the merging from the TS parser.
WEBUI JS: cosmetic changes for dvr and epg dialogs
WEBUI JS: Aligh time properly in EPG/DVR dialogs
Fixed iconv handle type

Signed-off-by: Richard Kunze <richard.kunze@web.de>
epggrab: ota - om_complete load fix
DVR: Store episode string to storage, fixes #2357
DVR: Move freeing of some variables to dvr_entry_dec_ref()
SAT>IP: Change the default number of positions for IPLNB to 1
WEBUI EPG: small fix name