Merge branch 'maint' into msvc
* 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dist: obsolete support for lzma (superseded by xz and lzip)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