Somehow these magical options get RCov to behave nicely, showing coverage for lib, and omitting gems and on OS X, system libraries.
Somehow these magical options get RCov to behave nicely, showing coverage for lib, and omitting gems and on OS X, system libraries.

git-svn-id: f481de8ecb0d1e2ade8c586a5c716a32a1f3e8c1@700316 13f79535-47bb-0310-9956-ffa450edef68

jpcaruana/buildr,jpcaruana/buildr,apache/buildr,liamchristopher/buildr,apache/buildr,assaf/buildr,assaf/buildr,jpcaruana/buildr,stewi2/buildr,atoulme/buildr,atoulme/buildr,apache/buildr,liamchristopher/buildr,stewi2/buildr,mariusk/buildr-kawa,jpcaruana/buildr,atoulme/buildr,ittayd/buildr,ittayd/buildr,stewi2/buildr,liamchristopher/buildr,liamchristopher/buildr,stewi2/buildr,assaf/buildr,mariusk/buildr-kawa,apache/buildr,ittayd/buildr,mariusk/buildr-kawa