stuff for ~/bin

contains code from third-parties:
* 256colors https://github.com/joejulian/xterm/blob/master/vttests/256colors2.pl
* blink http://pikeypl.com/index.php?show=code&menu=software&language=bash&code=blink.sh
* pdf2png http://bruxy.regnet.cz/
* ratcpi https://github.com/jbaber/ratpoison_scripts
* spark https://github.com/holman/spark
* stopwatch http://www.thelinuxdaily.com/2012/03/simple-stopwatch-script/
* strip-tags http://savvyadmin.com/strip-all-unwanted-mp3-id3-tags/
* tatort-dl http://gareus.org/wiki/tatort-dl
* thinkwatt https://github.com/mikar/thinkwatt
* xfs-raid http://www.mythtv.org/wiki/Optimizing_Performance#Optimizing_XFS_on_RAID_Arrays