Merge commit '6c7f67bdf87ad8052a48d5b9580c2950879e2dc6'

jbrichau: Merge remote-tracking branch 'svenc/master'
Update README.md
Synchronize with Zinc 2.4.3
create BaselineOfZincHTTPComponents
add Pharo versions to lineup and update travisCI.st with correct basline name
create phar1x branch for Zinc-Patch-HTTPSocket-SvenVanCaekenberghe.1, so both pharo20 package and pharo10 packages can co-exist in same git repo
add Zinc-Patch-HTTPSocket.pharo1x pacakge
fix a couple of travisCI.st errors
need Warning handler
remove pharo1.1 and pharo1.2 from lineup ... tests hang
Merge branch 'zinc2.4.3': Synchronize with Zinc 2.4.3