build: detect TR1 or C++11 with automake macros.

Used in fastx-collapser, should ease compilation on newer systems.
Merge branch 'master' into debian/unstable

why this merge is necessary,
New upstream release candidate.
Revert "Use the version 1.0 source package format."

This reverts commit 2c5e12e6a58f7c6d77c6d5de2ba1f765c81b6789.
Correct distribution name in debian/NEWS.
Updated changelog.