Release 3.0.0 - allow for omniauth 2.0 series#18

koshilife wants to merge 5 commits intoginjo:masterginjo/omniauth-slack:masterfrom

koshilife:#16_allow-for-omniauth-2.0koshilife/omniauth-slack:#16_allow-for-omniauth-2.0Copy head branch name to clipboard