Remove empty base/comparison.jl
Fix inconsistent capitalization of type abbreviations in socket.jl

UdpSocket -> UDPSocket
TcpSocket -> TCPSocket
IpAddr -> IPAddr
fix readdlm for empty lines between rows
readdlm skipblanks option
export TCPSocket as well
Merge pull request #8167 from JuliaLang/jq/dates

Change nowutc() to now(Dates.UTC()) for a better API with TimeZones.jl
add type name changes to deprecate.jl
fix doc typo
Merge pull request #8181 from rfourquet/docs-promote_type

fix doc typo
allocate a tighter temporary array in MergeSort
Make local :ref: to Performance Tips
Merge pull request #8182 from rickhg12hs/fix-doc-intro-link

Make local :ref: to Performance Tips
Fix typo in dates
Fix scoping in Dates module
Merge pull request #8178 from tanmaykm/readcsv

handling blank lines in readdlm
allow all bits values as type parameters. closes #6081
Merge branch 'master' of github.com:JuliaLang/julia
add builtin sizeof(). fixes #5406
Merge pull request #8157 from rfourquet/sort-tightmerge

allocate a tighter temporary array in MergeSort
Merge pull request #8175 from JuliaLang/jcb/samecaps

 Keep acronyms all upper-case