modified
modified.
resolved dependency.
png -> jpg.
making 300dpi pgm and resizing just fit jpeg.
adjust width for landscape.
supported generating mobi.
mobi generating more.
added header comment.
optimized pdf size.
jpg -> png, for better quality.
added some comments.
added white spaces top and bottom for landscape mode.
use "sam2p" generating pdf insted "convert".
fixed typo of a required package name.
add quiet option to sam2p.
specified width of Kindle on portrait style for adjusting large sources.
added README.
fixed typo.