presets: rename presets directory

Makefile

@@ -78,7 +78,7 @@ FFLIBS-$(CONFIG_SWSCALE)  += swscale
 
 FFLIBS := avutil
 
-DATA_FILES := $(wildcard $(SRC_PATH)/ffpresets/*.avpreset)
+DATA_FILES := $(wildcard $(SRC_PATH)/presets/*.avpreset)
 
 SKIPHEADERS = cmdutils_common_opts.h
 

doc/avconv.texi

@@ -778,7 +778,7 @@ A preset file contains a sequence of @var{option=value} pairs, one for
 each line, specifying a sequence of options which can be specified also on
 the command line. Lines starting with the hash ('#') character are ignored and
 are used to provide comments. Empty lines are also ignored. Check the
-@file{ffpresets} directory in the Libav source tree for examples.
+@file{presets} directory in the Libav source tree for examples.
 
 Preset files are specified with the @code{pre} option, this option takes a
 preset name as input.  Avconv searches for a file named @var{preset_name}.avpreset in

doc/ffmpeg.texi

@@ -791,7 +791,7 @@ A preset file contains a sequence of @var{option}=@var{value} pairs,
 one for each line, specifying a sequence of options which would be
 awkward to specify on the command line. Lines starting with the hash
 ('#') character are ignored and are used to provide comments. Check
-the @file{ffpresets} directory in the Libav source tree for examples.
+the @file{presets} directory in the Libav source tree for examples.
 
 Preset files are specified with the @code{vpre}, @code{apre},
 @code{spre}, and @code{fpre} options. The @code{fpre} option takes the