Merge branch 'master' into ng/master

* master:
  depcomp: support tcc (Tiny C Compiler)
  tests: workaround for automatic linker determination and conditionals
  info: allow user to inhibit pruning of '${infodir}/dir'
  vala tests: fix spurious failures with older valac (<= 0.7.2)
  tests: fix a timestamp issue, and other minor buglets
  tests: fix spurious failure with older autoconf
  fixup: update THANKS
  docs: terminate unfinished sentence, fix reference to a test case
  docs: fix some small typos and grammaros
  build: remove duplicated entries in $(TESTS)
  maint: update TODO file

diff --cc doc/automake.texi
Simple merge

diff --cc tests/list-of-tests.mk
Simple merge

diff --cc tests/tap-doc2.test
Simple merge

diff --cc tests/vala-mix.test
Simple merge

diff --cc tests/vala-vpath.test
Simple merge