Update teamcity docs with info about fetchallheads
Update teamcity docs with info about fetchallheads

ermshiperete/GitVersion,gep13/GitVersion,ParticularLabs/GitVersion,asbjornu/GitVersion,dazinator/GitVersion,asbjornu/GitVersion,GitTools/GitVersion,ermshiperete/GitVersion,gep13/GitVersion,GitTools/GitVersion,ParticularLabs/GitVersion,ermshiperete/GitVersion,ermshiperete/GitVersion,dazinator/GitVersion