hb_report: Don't use deprecated ifconfig (bnc#871089)
ifconfig has been deprecated since linux 2.0 and doesn't handle
predictable interface names well.
test: Failing tests for rules in param lists
thought in progress
medium: parsnip: Parsnip, a combinatorial parser

Implementation and tests for parsnip, a combinatorial parser.
Should simplify the parse module significantly.
many1 and case-insensitive match in text()
various half-finished thoughts on param parsing
This is a mad project
I'll need to continue this later
small fixes/cleanups
more in-progress parser work
Add test for two-element colocation form
more noodling
fix minor issues and reorganize parser a bit