libart_lgpl-2.3.21-160000.3.2

- Drop baselibs.conf: there is no known consumer of the -32bit
  package.

- Update a valid URL of the Source field in spec.

- Remove --with-pic which is useless with --disable-static.
- Replace boilerplate descriptions from a decade ago.

- Modernize spec-file by calling spec-cleaner

- Change RPM Group of shared library package to System/Libraries.

- Spec-cleanup using format_spec_file service.

- Add libart_lgpl-devel to baselibs
- Remove redundant tags/sections; use %_smp_mflags

- Update packaging to use the shared library packaging policy:
  + Create libart_lgpl_2-2 subpackage.
  + Add Provides/Obsoletes for libart_lgpl to libart_lgpl_2-2.
  + Update baselibs.conf accordingly.

- Update to version 2.3.21:
  + Allow crosscompiling without using different emulators
- Remove call to autoreconf.
- Use makeinstall macro.

- Add baselibs.conf as a source