Apply LWG motion 5, striking the Network Byte Order clause and removing the reference to the Unicode standard RFC2781

http://wiki.edg.com/twiki/bin/view/Wg21urbana-champaign/StrawPolls
Apply LWG motion 6, N4270, Collected Edits to the Library Fundamentals TS.

http://wiki.edg.com/twiki/bin/view/Wg21urbana-champaign/StrawPolls
Apply LWG motion 7, N4288, Strike string_view::clear

http://wiki.edg.com/twiki/bin/view/Wg21urbana-champaign/StrawPolls
Update the feature test macros for changes in the 2014-11 meeting.