Update copyright dates in README file.
Include ether/ether.h in order to define ETHER_ADDR_LEN and remove the conditiona definition originally used.
Update make depencencies for ParseRule.
Correct bad formatting in int6krule and plcrule man pages.
Merge pull request #6 from I2SE/master

Few documentation fixes
Merge github.com:/qca/open-plc-utils
Added stefan wahren to the list of documentation contributors, with thanks.
Remove unused module endian.
Checkin updated docbook/.html pages.
Checking update man pages.
Replace dual single quotes with single double quotes.
Updated feeds Makefile with program descriptions. More revision is needed but this is a big improvement over having no descriptions.