remove unused imports, some code style
remove unused imports, some code style

elvido/fpm,gearmover/fpm,linearregression/fpm,doghrim/fpm,Tapjoy/fpm,linearregression/fpm,godp1301/fpm,cturra/fpm,paul-krohn/fpm,paul-krohn/fpm,joseph-onsip/fpm,elvido/fpm,Tapjoy/fpm,tjyang/fpm,doghrim/fpm,pskrz/fpm,mzaccari/fpm,gearmover/fpm,rbramwell/fpm,wyaeld/fpm,doghrim/fpm,josephfrazier/fpm,mzaccari/fpm,tjyang/fpm,jerizm/fpm,vi4m/fpm,mzaccari/fpm,jerizm/fpm,sideci-sample/sideci-sample-fpm,mzaccari/fpm,schatt/fpm,pskrz/fpm,cturra/fpm,joseph-onsip/fpm,fetep/fpm,josephfrazier/fpm,paul-krohn/fpm,hlawrenz/fpm,djhaskin987/merge-demo,snailwalker/fpm,fetep/fpm,vi4m/fpm,virtkick/fpm,mildred/fpm,fetep/fpm,djhaskin987/merge-demo,schatt/fpm,snailwalker/fpm,tjyang/fpm,Tapjoy/fpm,rbramwell/fpm,mildred/fpm,godp1301/fpm,hlawrenz/fpm,virtkick/fpm,sideci-sample/sideci-sample-fpm,linearregression/fpm,elvido/fpm,godp1301/fpm,elvido/fpm,gearmover/fpm,snailwalker/fpm,mildred/fpm,josephfrazier/fpm,wyaeld/fpm,dischord01/fpm,mildred/fpm,pskrz/fpm,snailwalker/fpm,fetep/fpm,wyaeld/fpm,dischord01/fpm,paul-krohn/fpm,tjyang/fpm,virtkick/fpm,wyaeld/fpm,joseph-onsip/fpm,linearregression/fpm,josephfrazier/fpm,vi4m/fpm,schatt/fpm,rbramwell/fpm,hlawrenz/fpm,schatt/fpm,gearmover/fpm,dischord01/fpm,cturra/fpm,rbramwell/fpm,djhaskin987/merge-demo,godp1301/fpm,vi4m/fpm,pskrz/fpm,hlawrenz/fpm,jerizm/fpm,virtkick/fpm,Tapjoy/fpm,sideci-sample/sideci-sample-fpm,doghrim/fpm,cturra/fpm,jerizm/fpm,dischord01/fpm,joseph-onsip/fpm