-added TXT button for option text line adding to image
 with name, date and time info.
 font_6x11.h  file and add_text routine taken from the (GPLed)
 webcam.c file, part of xawtv, (c) 1998-2002 Gerd Knorr.
 add_text was modified for this program (xcam_add_text).

-added RGB/BGR button option to switch the colors if needed.

-solved segment fault when no usb scanner/vidcam devices
 is attached to system ( bug report from Henning Meier-Geinitz)

-patch update for recording feature (SANE bugreport 300224)
 added SAVE Frame button, output filename box.
 With Save Frame button image can be saved as
 .pnm .pgm .pbm or .ppm file

-added info row with x, y, image-size, fps count, fps, fps_ava

-added -V and -h option (version and help

-added option -B -buffersize so instead of default input buffer of
32*1024 a buffer of 1024*1024 can be chosen, so for vidcams for example
640x480, usb 2.0, 30fps less time is needed to fill input buffer.

fond_6x11.h file added

Also some small updates to (for debug output):
xscanimage.c
preview.c
gtkglue.c