dvb charset: added back AUTO_POLISH charset selection, fixes #2381
configure: another improvement in the libav detection, fixes #2382
ACL: add more restrictive permissions for all config urls, fix the http ticket issue, fixes #2383
WEBUI: Change Watch TV video player - allow to select profile instead resolution
mpegts service: allow to force CAID (for constcw or as filter for capmt,cwc), fixes #2379
mpegts: add # Channels to networks and muxes, fixes #2366
profile: added htsp profile for the htsp protocol

- also added alternate default lookups for profiles (not defined) for
  * DVR               : 'dvr'
  * Channel streaming : 'channel'
  * Service streaming : 'service'
ACL: add per entry (user) stream profile selection
dvr: add dvr_config_find_by_list() like for profiles
find_by list routines : fix ommited copy
Merge branch 'master' of https://github.com/tvheadend/tvheadend