README.md: Update FreeBSD support note.
README.md: Update Linux and NetBSD support notes.
AUTHORS: Add Sergey Nikulov's name in Cyrillic as well.
config.hxx: Fix compilation with Intel Parallel Studio XE 2015 compiler.
README.md: Note the Intel compiler version support.
AUTHORS: Add names of Siva Chandran P and Chernyshev Vyacheslav in their
respective native scripts.
socket-unix.cxx: Fix compilation on DragonflyBSD.

The signature of trySetCloseOnExec() has changed but this use has not been
updated.
README.md: Add DragonflyBSD support note.
Add Apache Ant build file to be used by Jenkins build automation.
jenkins/build.xml: Add NetBSD build.
jenkins/build.xml: Fail exec tasks on non-zero exit codes.
objectregistry.cxx: Tweak.
jenkins/build.xml: Add FreeBSD and DragonflyBSD.
Merge branch jenkins-builds.
Merge pull request #63 from wilx/master

Merge.