Merge branch 'minor' into micro after 1.15 release

And bump version number: 1.15 -> 1.15.0a

* minor:
  release: stable minor release 1.15
  NEWS: minor improvements and fixed some typos and grammaros
  docs: "make distcheck" implementation details are not to be abused
  NEWS: improve and adjust in light of the oncoming 1.15 release
  Fix dumb logic error preventing $install_sh from being be overridden
  Expose automake bug#19311
  build: fix race in parallel builds
  init: ensure $ac_aux_dir is defined before being used
  plans: enabling subdir-object by default is blocked on bug#13928
  maint: update copyright years
  maint: sync files from upstream ("make fetch")
  Typofixes in warning messages and manual
  NEWS: a typofix, and better word wrapping
  parallel-tests: avoid possible implicit "make all" in test-suite.log rule
  Allow user to extend .PRECIOUS target
  cosmetics: remove a couple of extra trailing white spaces
  tests: fix a spurious failure on Mac OS X
  docs: make clear the JAVA primary is frozen
  install-sh: a slightly better diagnostic, and tests enhancements
  install-sh: be stricter in catching invalid usages
  tests: more significant names for some tests
  tests: some cosmetic fixes
  tests: more significant names for a test
  docs: drop a few obsolescent FIXME/TODO comments, and associated text
  testsuite harness: report test exit status in log file
  TAP driver: no need to invoke AC_PROG_AWK directly
  TAP driver: remove perl implementation (move it into contrib/)
  NEWS: stop reporting "new" Automake versioning scheme
  cosmetics: untabify the install-sh script
  install-sh: assume that "set -f" and "set +f" work...
  install-sh: assume ${var:-value} works as expected
  install-sh: assume 'dirname' is available and working correctly
  post-release: micro version bump (1.14a)

Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>

diff --cc configure.ac
index 0098131c138a48dde5a98ee288f7679bf1aea905,beb9eabd7a69ea333b75c827c7f0d4a580914266..9da97cfe8706e9fd654507b93dab3bd1ae1d3518
--- 1/configure.ac
--- 2/configure.ac
+++ b/configure.ac
@@@ -16,7 -16,7 +16,7 @@@
  # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  
  AC_PREREQ([2.69])
- AC_INIT([GNU Automake], [1.14.1a], [bug-automake@gnu.org])
 -AC_INIT([GNU Automake], [1.15], [bug-automake@gnu.org])
++AC_INIT([GNU Automake], [1.15.0a], [bug-automake@gnu.org])
  
  AC_CONFIG_SRCDIR([bin/automake.in])
  AC_CONFIG_AUX_DIR([lib])

diff --cc m4/amversion.m4
index 645b18df777b962f6eee53a0b9da4d633fb898c0,ca4231f7478329515d8d996cd7333a5591203a7c..a36cc93223ad21cb42bd864c94d719b054b322fe
--- 1/m4/amversion.m4
--- 2/m4/amversion.m4
+++ b/m4/amversion.m4
@@@ -12,10 -12,10 +12,10 @@@
  # generated from the m4 files accompanying Automake X.Y.
  # (This private macro should not be called outside this file.)
  AC_DEFUN([AM_AUTOMAKE_VERSION],
- [am__api_version='1.14'
+ [am__api_version='1.15'
  dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
  dnl require some minimum version.  Point them to the right macro.
- m4_if([$1], [1.14.1a], [],
 -m4_if([$1], [1.15], [],
++m4_if([$1], [1.15.0a], [],
        [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
  ])
  
@@@ -31,7 -31,7 +31,7 @@@ m4_define([_AM_AUTOCONF_VERSION], []
  # Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
  # This function is AC_REQUIREd by AM_INIT_AUTOMAKE.
  AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
- [AM_AUTOMAKE_VERSION([1.14.1a])dnl
 -[AM_AUTOMAKE_VERSION([1.15])dnl
++[AM_AUTOMAKE_VERSION([1.15.0a])dnl
  m4_ifndef([AC_AUTOCONF_VERSION],
    [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
  _AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])