Update rdoc dependency to version 3.7
Update rdoc dependency to version 3.7

Bryanprz/adopt-a-street,jamiekelly/adopt-a-hydrant,baraka101/dar-adopt-a-mtaro,0111001101111010/adopt-a-spot-odu,eebbesen/adopt-a-tree,codefornigeria/adopt-a-hydrant,Bryanprz/adopt-a-street,codeforamerica/adopt-a-siren,code4sac/adopt-a-light,jasnow/adopt-a-hydrant,HackMichiana/adopt-a-bus-stop,voyera/adopt-a-hydrant,mapmeld/Adopt-a-Siren-Macon,siruguri/adopt-a-drain,codeforanchorage/adopt-a-hydrant,openshift-quickstart/adopt-a-hydrant-openshift-quickstart,Stackato-Apps/adopt-a-hydrant,Stackato-Apps/adopt-a-hydrant,billyfung/van-racks,t-pfaff/adopt-a-hydrant,codeforamerica/adopt-a-hydrant,jamiekelly/adopt-a-hydrant,codeforsavannah/adopt-a-garden,codefornigeria/adopt-a-hydrant,codeforanchorage/adopt-a-hydrant,code4sac/adopt-a-light,jamiekelly/adopt-a-hydrant,OpenTwinCities/adopt-a-tree,Stackato-Apps/adopt-a-hydrant,CostantinB/adopt-a-hydrant,siruguri/adopt-a-drain,codefornigeria/adopt-a-hydrant,openoakland/adopt-a-drain,friendlycode/adopt-a-hydrant,openshift-quickstart/adopt-a-hydrant-openshift-quickstart,codeforsavannah/adopt-a-garden,friendlycode/adopt-a-hydrant,OpenTwinCities/adopt-a-tree,codeforboston/adopt-a-hydrant,voyera/adopt-a-hydrant,baraka101/dar-adopt-a-mtaro,akintoey/adopt-a-hydrant,voyera/adopt-a-hydrant,openshift-quickstart/adopt-a-hydrant-openshift-quickstart,mapmeld/Adopt-a-Siren-Macon,eebbesen/adopt-a-tree,codeforamerica/adopt-a-siren,t-pfaff/adopt-a-hydrant,codeforamerica/adopt-a-hydrant,jasnow/adopt-a-hydrant,codeforamerica/adopt-a-hydrant,HackMichiana/adopt-a-bus-stop,billyfung/van-racks,t-pfaff/adopt-a-hydrant,OpenTwinCities/adopt-a-tree,akintoey/adopt-a-hydrant,CostantinB/adopt-a-hydrant,OpenTwinCities/adopt-a-tree,jasnow/adopt-a-hydrant,eebbesen/adopt-a-tree,openoakland/adopt-a-drain,akintoey/adopt-a-hydrant,siruguri/adopt-a-drain,billyfung/van-racks,0111001101111010/adopt-a-spot-odu,Bryanprz/adopt-a-street,CostantinB/adopt-a-hydrant,codeforboston/adopt-a-hydrant,baraka101/dar-adopt-a-mtaro,friendlycode/adopt-a-hydrant