Make setup.py exclude the example_project package
Make setup.py exclude the example_project package

Previously setup.py was using the exclude keyword incorrectly for find_packages,
which caused it to not exclude any packages.

argonemyth/sentry,daikeren/opbeat_python,1tush/sentry,vperron/sentry,ifduyue/sentry,JTCunning/sentry,zenefits/sentry,argonemyth/sentry,mvaled/sentry,ewdurbin/raven-python,akheron/raven-python,gg7/sentry,Goldmund-Wyldebeast-Wunderliebe/raven-python,rdio/sentry,jbarbuto/raven-python,korealerts1/sentry,imankulov/sentry,patrys/opbeat_python,beni55/sentry,tarkatronic/opbeat_python,primepix/django-sentry,nikolas/raven-python,Kronuz/django-sentry,percipient/raven-python,daikeren/opbeat_python,smarkets/raven-python,boneyao/sentry,lepture/raven-python,beni55/sentry,NickPresta/sentry,alexm92/sentry,chayapan/django-sentry,fotinakis/sentry,mitsuhiko/sentry,Natim/sentry,rdio/sentry,fotinakis/sentry,SilentCircle/sentry,BuildingLink/sentry,kevinastone/sentry,tbarbugli/sentry_fork,jmagnusson/raven-python,looker/sentry,llonchj/sentry,alex/sentry,camilonova/sentry,Kryz/sentry,jokey2k/sentry,jean/sentry,chayapan/django-sentry,ewdurbin/raven-python,gencer/sentry,beni55/sentry,arthurlogilab/raven-python,smarkets/raven-python,ewdurbin/sentry,wujuguang/sentry,collective/mr.poe,beeftornado/sentry,fotinakis/sentry,wujuguang/sentry,imankulov/sentry,inspirehep/raven-python,gencer/sentry,someonehan/raven-python,tbarbugli/sentry_fork,Natim/sentry,JackDanger/sentry,alex/sentry,mitsuhiko/raven,danriti/raven-python,mvaled/sentry,dbravender/raven-python,tarkatronic/opbeat_python,NickPresta/sentry,Photonomie/raven-python,drcapulet/sentry,icereval/raven-python,jmagnusson/raven-python,daevaorn/sentry,rdio/sentry,Kronuz/django-sentry,nikolas/raven-python,Kryz/sentry,BuildingLink/sentry,wong2/sentry,kevinlondon/sentry,drcapulet/sentry,tbarbugli/sentry_fork,BuildingLink/sentry,ifduyue/sentry,WoLpH/django-sentry,wujuguang/sentry,jokey2k/sentry,recht/raven-python,kevinlondon/sentry,alexm92/sentry,WoLpH/django-sentry,JamesMura/sentry,pauloschilling/sentry,JamesMura/sentry,dirtycoder/opbeat_python,beniwohli/apm-agent-python,NickPresta/sentry,getsentry/raven-python,gencer/sentry,JTCunning/sentry,percipient/raven-python,inspirehep/raven-python,johansteffner/raven-python,ewdurbin/sentry,boneyao/sentry,TedaLIEz/sentry,ngonzalvez/sentry,ticosax/opbeat_python,boneyao/sentry,gg7/sentry,llonchj/sentry,alexm92/sentry,ngonzalvez/sentry,nicholasserra/sentry,patrys/opbeat_python,wong2/sentry,JamesMura/sentry,percipient/raven-python,johansteffner/raven-python,someonehan/raven-python,jbarbuto/raven-python,llonchj/sentry,icereval/raven-python,ewdurbin/sentry,SilentCircle/sentry,songyi199111/sentry,hzy/raven-python,korealerts1/sentry,songyi199111/sentry,mvaled/sentry,beniwohli/apm-agent-python,danriti/raven-python,JackDanger/sentry,WoLpH/django-sentry,JamesMura/sentry,camilonova/sentry,zenefits/sentry,beeftornado/sentry,jean/sentry,zenefits/sentry,jbarbuto/raven-python,imankulov/sentry,ronaldevers/raven-python,BayanGroup/sentry,mitsuhiko/sentry,nikolas/raven-python,recht/raven-python,felixbuenemann/sentry,SilentCircle/sentry,looker/sentry,dbravender/raven-python,jokey2k/sentry,patrys/opbeat_python,akheron/raven-python,BuildingLink/sentry,inspirehep/raven-python,lepture/raven-python,pauloschilling/sentry,jmp0xf/raven-python,mvaled/sentry,argonemyth/sentry,JamesMura/sentry,felixbuenemann/sentry,beniwohli/apm-agent-python,jmp0xf/raven-python,Kronuz/django-sentry,Goldmund-Wyldebeast-Wunderliebe/raven-python,lopter/raven-python-old,hongliang5623/sentry,jbarbuto/raven-python,TedaLIEz/sentry,fotinakis/sentry,pauloschilling/sentry,nicholasserra/sentry,looker/sentry,hzy/raven-python,arthurlogilab/raven-python,akheron/raven-python,Natim/sentry,mitsuhiko/raven,ticosax/opbeat_python,getsentry/raven-python,beeftornado/sentry,akalipetis/raven-python,alex/sentry,johansteffner/raven-python,mvaled/sentry,smarkets/raven-python,JackDanger/sentry,ronaldevers/raven-python,arthurlogilab/raven-python,daikeren/opbeat_python,ronaldevers/raven-python,songyi199111/sentry,hongliang5623/sentry,fuziontech/sentry,zenefits/sentry,1tush/sentry,1tush/sentry,BuildingLink/sentry,danriti/raven-python,akalipetis/raven-python,ifduyue/sentry,jmp0xf/raven-python,vperron/sentry,dirtycoder/opbeat_python,ngonzalvez/sentry,korealerts1/sentry,gg7/sentry,patrys/opbeat_python,Kryz/sentry,icereval/raven-python,jean/sentry,tarkatronic/opbeat_python,openlabs/raven,BayanGroup/sentry,akalipetis/raven-python,ewdurbin/raven-python,jean/sentry,zenefits/sentry,looker/sentry,nicholasserra/sentry,jmagnusson/raven-python,jean/sentry,wong2/sentry,hongliang5623/sentry,kevinastone/sentry,smarkets/raven-python,BayanGroup/sentry,daevaorn/sentry,looker/sentry,rdio/sentry,dirtycoder/opbeat_python,arthurlogilab/raven-python,Goldmund-Wyldebeast-Wunderliebe/raven-python,gencer/sentry,primepix/django-sentry,fuziontech/sentry,ifduyue/sentry,ifduyue/sentry,primepix/django-sentry,beniwohli/apm-agent-python,drcapulet/sentry,camilonova/sentry,TedaLIEz/sentry,chayapan/django-sentry,icereval/raven-python,alex/raven,SilentCircle/sentry,kevinastone/sentry,ticosax/opbeat_python,vperron/sentry,getsentry/raven-python,kevinlondon/sentry,Photonomie/raven-python,nikolas/raven-python,dbravender/raven-python,someonehan/raven-python,NickPresta/sentry,lepture/raven-python,daevaorn/sentry,recht/raven-python,Goldmund-Wyldebeast-Wunderliebe/raven-python,Photonomie/raven-python,mvaled/sentry,fuziontech/sentry,inspirehep/raven-python,felixbuenemann/sentry,hzy/raven-python,daevaorn/sentry,gencer/sentry,JTCunning/sentry