Add haskell-tagged-transformer 0.7.1
Merge pull request #3883 from dmalikov/haskell-tagged-transformer

Add haskell-tagged-transformer 0.7.1
mcabber: fix mispelled stdenv
lirc: add missing semicolon
tinc_pre: Add derivation

The tinc developer has made significant developments to the next version
of tinc including many protocol security fixes. This patch adds the
prerelease of the next major tinc release.
tinc_pre: Experimental Patches