for 32 bit Linux platforms add compiler options "-msse -mfpmath=sse".


git-svn-id: https://root.cern.ch/svn/root/trunk@48686 27541ba8-7e3a-0410-8455-c3a389f83636
From Fabio Hernandez:
The class TS3WebFile was modified to support also reading files hosted by
Google using the S3 protocol. Its TFile plugin was also modified to reflect
this. The class TS3HTTPRequest is new.


git-svn-id: https://root.cern.ch/svn/root/trunk@48687 27541ba8-7e3a-0410-8455-c3a389f83636
Extend entry of Fabio Hernandez.


git-svn-id: https://root.cern.ch/svn/root/trunk@48688 27541ba8-7e3a-0410-8455-c3a389f83636
Add explicit copy c'tor + assign op so no uninit memory gets copied.


git-svn-id: https://root.cern.ch/svn/root/trunk@48689 27541ba8-7e3a-0410-8455-c3a389f83636