map_string_t: fix overflow detection in "to int conversion"

LONG_MAX == INT_MAX on i386

Fixes the broken i386 build

Signed-off-by: Jakub Filak <jfilak@redhat.com>
Ensure 'long long unsigned' in printf format args

The sizes of size_t are not equal on x86_64 and i686

Fixes a broken build on i686

Related to rhbz#1036585

Signed-off-by: Jakub Filak <jfilak@redhat.com>

Conflicts:

	tests/make_description.at
Make make_description() output less confusing

Implement ideas of Martin Milata:

I'd remove the empty line before the "Bugzilla:" line, it might not be
immediately clear to which problem the line belongs if there's several
problems in the list.

Also, what about something like:

  Reported:       https://bugzilla.redhat.com/1234
                  https://retrace.fedoraproject.org/report/6789

http://post-office.corp.redhat.com/archives/abrt-devel-list/2013-December/msg00171.html

Related to rhbz#1036585

Signed-off-by: Jakub Filak <jfilak@redhat.com>

mmilata: comment nitpicking

Conflicts:

	po/POTFILES.in
	src/lib/make_descr.c
	tests/make_description.at