[glite-jdl-api-cpp] Tidy spec file.
[glite-jdl-api-cpp] Add patches to fix build on RHEL7.
[glite-jdl-api-cpp] Fix tab/spaces in new patch file.
[glite-jdl-api-cpp] Patch header install.
[glite-jdl-api-cpp] Fix path of newly installed headers in patch file.
[glite-jdl-api-cpp] Re-import sources and update patches to cope with changes.
[glite-jdl-api-cpp] Fix paths in other patch too.
Merge branch 'glite-jdl-api-cpp-fixes'