fix socket.h
Merge branch 'incoming'
Ignore generated files src/relooper.js[.raw.js] for git
Merge pull request #739 from AIM360/e75bf36fab5f47905395503bda466dfa3693096b

Ignore generated files src/relooper.js[.raw.js] for git
Merge branch 'incoming'
Merge branch 'incoming'
Merge branch 'incoming'
Merge branch 'incoming'
Merge branch 'incoming'
Merge branch 'master' of https://github.com/manuels/emscripten into incoming
Add getopt and getopt_long (libc) support

Test code is taken from functions' man pages.