- Address some of the issues identified in package review (bug 226342):
    - update libs requirement on base package to use %%{name} for consistency's
        sake
    - convert from backticks to $() syntax throughout
    - wrap value of LD_LIBRARY_PATH in quotes
    - convert "/usr/bin/find" requirement to "findutils"
    - remove trailing periods from summaries of -devel and -tools subpackages
    - fix spelling mistake in description of -test subpackage
    - convert usage of $$RPM_BUILD_ROOT to %%{buildroot} throughout, for
        stylistic consistency
    - supply dirmode arguments to defattr directives