Merge pull request #7 from jasonpincin/master

SMF method_credential now uses :default for group and supp_groups
Merge pull request #8 from johnko/patch-1

Add headers to allow use with project-fifo
add section about project-fifo
Merge pull request #9 from johnko/patch-2

add section about project-fifo
Merge pull request #4 from nshalman/master

merge from upstream