[PATCH] [RHEL6] Apply spec file changes required by review request (RH BZ#1018905)

[Jan Lieskovsky]

This patch projects fixes for objections raised within
scap-security-guide RPM package review request (RH BZ#1018905)
to RHEL6 content building functionality too, so we could
package it into EPEL-6.

More exactly:
* remove BuildRoot (not needed already),
  https://bugzilla.redhat.com/show_bug.cgi?id=1018905#c4

* remove coreutils from BuildRequires, filesystem from Requires
  (not needed),
  https://bugzilla.redhat.com/show_bug.cgi?id=1018905#c4

* add xml-common to Requires (so /usr/share/xml/scap directory
  would be also owned by scap-security-guide RPM - see also
  below),
  https://bugzilla.redhat.com/show_bug.cgi?id=1018905#c8

* update %description to be more clear (some sentences were
  reported as to be harder to understand),
  https://bugzilla.redhat.com/show_bug.cgi?id=1018905#c8
  https://bugzilla.redhat.com/show_bug.cgi?id=1018905#c9
  https://bugzilla.redhat.com/show_bug.cgi?id=1018905#c10

* replace $RPM_BUILD_ROOT with %{buildroot} in %install section
  (%{buildroot} is defined on RHEL6 as can be verified with:
     rpm --eval '%{buildroot}'
  command)
  https://bugzilla.redhat.com/show_bug.cgi?id=1018905#c4

* remove not necessary %install section bits (removing former
  RPM_BUILD_ROOT etc.)
  https://bugzilla.redhat.com/show_bug.cgi?id=1018905#c1

* adjust adding of core content (replace $RPM_BUILD_ROOT, exactly
  list directories that will get copied - IOW copy just content/
  and policytables/ ones. HTML guides from previous guide/ will
  be stored under scap-security-guide's %doc directory),
  https://bugzilla.redhat.com/show_bug.cgi?id=1018905#c8  

* don't directly compress the manual page and rather let the build
  system to choose which compress algorithm to use
  (for case compression algorithm would change)
  https://bugzilla.redhat.com/show_bug.cgi?id=1018905#c4
  
* don't confine the manual page (not needed),
  https://bugzilla.redhat.com/show_bug.cgi?id=1018905#c4

* remove the %clean section (not needed),
  https://bugzilla.redhat.com/show_bug.cgi?id=1018905#c4

* remove defattr from %files section (was required only on rpm < 4.4),
  http://fedoraproject.org/wiki/Packaging:Guidelines#File_Permissions

* modify %files path after %{_datadir} (replace /xml/scap/ssg
  with /xml/scap so /usr/share/xml/scap/ directory is also owned
  by scap-security-guide package, and removed too by package removal),
  https://bugzilla.redhat.com/show_bug.cgi?id=1018905#c4
  https://bugzilla.redhat.com/show_bug.cgi?id=1018905#c8

* add LICENSE into RHEL6 subdirectory,
  https://bugzilla.redhat.com/show_bug.cgi?id=1018905#c4

* package LICENSE, RHEL6 and JBossEAP5 guide under scap-security-guide's
  RPM %doc directory.
  https://bugzilla.redhat.com/show_bug.cgi?id=1018905#c8

Sanity && regression testing:
- make tarball, make srpm, make rpm => PASS,
- RHEL6's make, make validate, make validate-xml, make content,
  make guide, make dist, make eval-common, make checks, make tables => PASS,
- oscap xccdf eval for generated XCCDF file:
    $ export SSG="/usr/share/xml/scap/ssg/content"
    $ oscap xccdf eval --profile common --cpe $SSG/ssg-rhel6-cpe-dictionary.xml \
      --report /tmp/el6.html $SSG/ssg-rhel6-xccdf.xml

  => PASS,
- HTML guides for both RHEL6 and JBossEAP are packaged too, and look reasonable
  in quick firefox preview.

Please review.

Thank you && Regards, Jan.
--
Jan iankko Lieskovsky / Red Hat Security Technologies Team