Merge branch 'maint' into master

[Stefano Lattarini]

commit c1b14e966c2aa929e80bdfb259d0a81813859509
Merge: 5dee15f 2804075
Author:     Stefano Lattarini <address@hidden>
AuthorDate: Sun Jan 1 11:14:27 2012 +0100
Commit:     Stefano Lattarini <address@hidden>
CommitDate: Sun Jan 1 11:14:27 2012 +0100

    Merge branch 'maint'

    * maint:
      tests: make 'lzip.test' executable
      dist: obsolete support for lzma (superseded by xz and lzip)
      test defs: more granular overriding of the make program
      docs: fix a couple broken anchors
      dist: add support for lzip compression
      docs: fix paragraph names for automake and aclocal invocations
      tests: fix spurious failure due to autom4te caching
      fix: last entry in ChangeLog
      tests: tweak tests on silent-rules for makes without nested vars
      silent-rules: fallback for makes without nested vars