parse code integration
2nd update! many passing test cases in a.sh
rlist parsing : a lot of validation tests
Merge branch 'temp/parse' of github.com:jeffali/core into temp/parse

Conflicts:
	libpromises/rlist.c
weekend work on parsing
much more tests and corrections
commas should not be escaped inside list elements
Merge branch 'temp/nfsopts' of github.com:jeffali/core into temp/nfsopts
i've seen how hard is to work with fstabs