ldas-tools-al-2.6.4-bp156.2.5

- Update URL to point to correct upstream website.

- Update to version 2.6.4
  * Added cx_ldas_prog_cxx() configuration check to obtain C++
    standard flag for use in package config file.
- Fix builds for openSUSE >= 1550: The test for HAVE_PROCFS_STAT
  fails for unknown reason; workaround by forcing the value of
  this variable to 1 as a cmake option.

- Update to version 2.6.3
- Bump shlib number in keeping with upstream so version update.
- Switch to using cmake for build.
- New BuildRequires: ldas-tools-cmake.

- Specfile cleanups using spec-cleaner.

- Initial package.