- Fix dependency typos.

- test_lowcase.patch: downcase Boost::Test usage of uppercase
variables. VERSION was clashing with GNU Autotools define
resulting in compilation errors of various packages.
- recombine headers from various devel subpackages under the
libboost_headers-devel package. Not all usage of headers that
have compiled parts pull in their associated compiled symbols.
- general cleanup of the spec file from old, commented stuffs

- remove non-existent dependency in the boost mpi python package

- update to version 1.63.0
* updated libraries: atomic, container, context, fiber,
fusion, geometry, hash, interprocess, intrusive, lexical cast,
log, metaparse, move, optional, phoenix, python, test,
typeindex, units, unordered
* see http://www.boost.org/users/history/version_1_63_0.html
for complete list of changes
- refresh patches
* boost-1.55.0-python-test-PyImport_AppendInittab.patch
* boost-strict_aliasing.patch, and enable -fno-strict-aliasing
for python module
- baselibs.conf:
* add libboost_locale
* rename python to include new soname
- remove python-2059618.patch, not needed
- make build condition --without buil_mpi work
- allow building without python3 bindings, for SLE11SP4
- remove versioned build dependency on libicu-devel, apparently