config/include also takes absolute paths
config/include also takes absolute paths

Fixed a regression which cause riemann to be unable to load absolute
paths. You can now refer to relative or absolute paths at any level of
the config. Fixes #127.

forter/riemann,topecz/riemann,ClodoCorp/riemann,cswaroop/riemann,tzach/riemann,patrickod/riemann,jamtur01/riemann,udoprog/riemann,pradeepchhetri/riemann,bowlofstew/riemann,udoprog/riemann,moonranger/riemann,twosigma/riemann,fullcontact/riemann,patrickod/riemann,vincentbernat/riemann,bfritz/riemann,hugoduncan/riemann,yeller/riemann,nelhage/riemann,patrickod/riemann,LubyRuffy/riemann,vincentbernat/riemann,riemann/riemann,rhysr/riemann,topecz/riemann,robashton/riemann,aphyr/riemann,stanislas/riemann,algernon/riemann,pharaujo/riemann,micrub/riemann,pyr/riemann,mfournier/riemann,algernon/riemann,vixns/riemann,topecz/riemann,micrub/riemann,DasAllFolks/riemann,rhysr/riemann,bfritz/riemann,udoprog/riemann,mbuczko/riemann,eric/riemann,vixns/riemann,nelhage/riemann,bmhatfield/riemann,zamaterian/riemann,VideoAmp/riemann-1,DasAllFolks/riemann,counsyl/riemann,AkihiroSuda/riemann,timbuchwaldt/riemann,patrox/riemann,bg451/riemann,rhysr/riemann,rekhajoshm/riemann,twosigma/riemann,hugoduncan/riemann,ClodoCorp/riemann,shokunin/riemann,pyr/riemann,eric/riemann,lispmeister/riemann,mirwan/riemann,patrox/riemann,fullcontact/riemann,mirwan/riemann,mbuczko/riemann,irudyak/riemann,moonranger/riemann,algernon/riemann,jeanpralo/riemann,lispmeister/riemann,bwilber/riemann,rekhajoshm/riemann,rekhajoshm/riemann,forter/riemann,mfournier/riemann,pharaujo/riemann,Anvil/riemann,nberger/riemann,alq666/riemann,jeanpralo/riemann,stanislas/riemann,ClodoCorp/riemann,VideoAmp/riemann-1,nelhage/riemann,forter/riemann,yeller/riemann,aphyr/riemann,bwilber/riemann,joerayme/riemann,mirwan/riemann,cswaroop/riemann,jamtur01/riemann,nberger/riemann,bowlofstew/riemann,timbuchwaldt/riemann,hugoduncan/riemann,twosigma/riemann,fullcontact/riemann,spazm/riemann,AkihiroSuda/riemann,alq666/riemann,stanislas/riemann,counsyl/riemann,joerayme/riemann,shokunin/riemann,zamaterian/riemann,abailly/riemann,pradeepchhetri/riemann,abailly/riemann,bg451/riemann,spazm/riemann,mfournier/riemann,shokunin/riemann,tzach/riemann,robashton/riemann,cswaroop/riemann,riemann/riemann,lispmeister/riemann,bmhatfield/riemann,tzach/riemann,LubyRuffy/riemann,yeller/riemann,patrox/riemann,irudyak/riemann,micrub/riemann,Anvil/riemann