removed useless files
plod: added small improvements and fixes

	* using POSIX strftime() function for timestamp
	* year with 4 digits
	* added my to variables
	* moved crash logs and backup files from $HOME into $LOGDIR
changed version number to v1.9.1

	* README
		* added comments to README/Changelog mentioned to version 1.9.1
	* plod
		* changed variable $HOME back to old value via getpwuid()
		* changed version to v1.9.1
small bug fixed

	* moved check and creation for LOGDIR before check of cryptcmd