Add SBD per node table
Allow specifying attribute name for per node table
Generalize stonith table for other data types

An untested proof of concept. Probably won't work, but at least I'll
know what I wanted to do, when I come back to work on Monday.
Split on commas and spaces in SBD table
Merge pull request #10 from bkutil/sbd

Add SBD per node table