Require fpm/tar in fpm.rb
Require fpm/tar in fpm.rb

Without this, API work around tar-based sources will require an extra "require 'fpm'"
jerizm/fpm,doghrim/fpm,josephfrazier/fpm,mildred/fpm,tjyang/fpm,fetep/fpm,virtkick/fpm,djhaskin987/merge-demo,godp1301/fpm,josephfrazier/fpm,Tapjoy/fpm,doghrim/fpm,paul-krohn/fpm,joseph-onsip/fpm,gearmover/fpm,gearmover/fpm,djhaskin987/merge-demo,dischord01/fpm,wyaeld/fpm,Tapjoy/fpm,mzaccari/fpm,jerizm/fpm,elvido/fpm,mzaccari/fpm,mzaccari/fpm,godp1301/fpm,Tapjoy/fpm,rbramwell/fpm,wyaeld/fpm,mildred/fpm,gearmover/fpm,vi4m/fpm,pskrz/fpm,godp1301/fpm,wyaeld/fpm,linearregression/fpm,mildred/fpm,paul-krohn/fpm,joseph-onsip/fpm,rbramwell/fpm,schatt/fpm,schatt/fpm,vi4m/fpm,doghrim/fpm,fetep/fpm,pskrz/fpm,schatt/fpm,linearregression/fpm,tjyang/fpm,sideci-sample/sideci-sample-fpm,mzaccari/fpm,cturra/fpm,elvido/fpm,cturra/fpm,fetep/fpm,godp1301/fpm,gearmover/fpm,pskrz/fpm,virtkick/fpm,snailwalker/fpm,rbramwell/fpm,snailwalker/fpm,linearregression/fpm,dischord01/fpm,vi4m/fpm,paul-krohn/fpm,elvido/fpm,snailwalker/fpm,virtkick/fpm,tjyang/fpm,cturra/fpm,fetep/fpm,sideci-sample/sideci-sample-fpm,josephfrazier/fpm,jerizm/fpm,vi4m/fpm,linearregression/fpm,Tapjoy/fpm,snailwalker/fpm,dischord01/fpm,hlawrenz/fpm,pskrz/fpm,elvido/fpm,cturra/fpm,sideci-sample/sideci-sample-fpm,hlawrenz/fpm,hlawrenz/fpm,joseph-onsip/fpm,hlawrenz/fpm,virtkick/fpm,schatt/fpm,paul-krohn/fpm,djhaskin987/merge-demo,doghrim/fpm,rbramwell/fpm,joseph-onsip/fpm,dischord01/fpm,mildred/fpm,wyaeld/fpm,josephfrazier/fpm,jerizm/fpm,tjyang/fpm