Simplify IBD done conditions
Simplify IBD done conditions

IBD is now done when there are >= minNumOutbound peers synced
OR
there is >= 1 peer synced and 10 minutes have passed since beginning IBD

mharkus/Sia,rivine/rivine,rivine/rivine,mtlynch/Sia,MrStrong/Sia,mharkus/Sia,NebulousLabs/Sia,MrStrong/Sia,mnsl/Sia,ericflo/Sia,NebulousLabs/Sia,johnathanhowell/Sia,ericflo/Sia,ChrisSchinnerl/Sia,mtlynch/Sia,mnsl/Sia,ChrisSchinnerl/Sia