Merge bug fix/patch releases up to 3.2-p7 into maint-3.2

* commit 'a9157d915ed96804280c3dc077186a2a633fd603': (157 commits)
  Fix PyPI download URL to help pip figure out the release version
  #110990 fix timestamp order for .so vs .a during 'make install'
  Update FFTW download
  Increase patchlevel to 3.2-p7
  ...
Allow keys starting with --, handle prefixes as --prefix_option instead of -prefix_-option.

(cherry picked from commit 7cd08cec2432658160c70b3c529f243c3b7cdafe at
the request of Alex Matveev <alexei.matveev@gmail.com> for Debian Wheezy)
Merge subtree BuildSystem-3.2 patches/bugfixes into maint-3.2

* commit '1992e2d3411445b225ba065d5c8921f1023c98a7':
  also reconginze '-MDd' as a windows compiler option for blaslapack NOOPT
  #97680 update mkl detection with gnu compilers
  tree 86958722a6ad parent 68f86ff9dcfa author Satish Balay <balay@mcs.anl.gov> 1317743831 18000 committer Satish Balay <balay@mcs.anl.gov> 1317743831 18000 revision 2735 branch default
  added check for lsame() to BlasLapack.py
  Fixed bad remove of library
  f2cblaslapack should always build single/double precision routines. [for superlu_dist]
  Fix for library list construction for a package
  f2cblaslapack needs -lm  [otherwise its setting PETSC_MISSING_LAPACK_* flags]
  #86303 enable --download-f2cblaslapack on windows
  Added tag release-3.2 for changeset 16a648a4b957
Merge branch 'maint-3.2' into maint

Backported fix requested for Debian Wheezy

* maint-3.2:
  Allow keys starting with --, handle prefixes as --prefix_option instead of -prefix_-option.