fixed times
added bandwith to mpd playlist
added presentation delay to dash fragments
added dash_nested, added directory creation, fixed init frags cleanup
fixed using raw non-null-terminated strings from config parser in syscalls
fixed windows compilation
removed old variable
fixed representation id naming
adding some HbbTV compliancy to MPD
added presentation delay to dash fragments + Repr. IDs
Merge branch 'dash' of https://github.com/ReneVolution/nginx-rtmp-module into dash

Conflicts:
	dash/ngx_rtmp_dash_module.c