bricks: move into spot directory

* bricks/brick-assert, bricks/brick-bitlevel,
bricks/brick-hash, bricks/brick-hashset,
bricks/brick-shmem, bricks/brick-types: Rename as .. .
* spot/bricks/brick-assert, spot/bricks/brick-bitlevel,
spot/bricks/brick-hash, spot/bricks/brick-hashset,
spot/bricks/brick-shmem, spot/bricks/brick-types: ... this
* Makefile.am, README, debian/copyright,
debian/libspot-dev.install, m4/bricks.m4,
spot/Makefile.am, spot/ltsmin/spins_kripke.hh,
spot/ltsmin/spins_kripke.hxx, spot/mc/bloemen.hh
spot/mc/deadlock.hh, tests/Makefile.am,
tests/core/bricks.cc: here.

tests/Makefile.am

@@ -22,7 +22,8 @@
 
 AUTOMAKE_OPTIONS = subdir-objects
 AM_CPPFLAGS = -I$(top_builddir) -I$(top_srcdir) $(BUDDY_CPPFLAGS) \
-              $(BRICKS_CPPFLAGS) -I$(top_builddir)/lib -I$(top_srcdir)/lib
+              -I$(top_srcdir)/spot/bricks -I$(top_builddir)/lib \
+	      -I$(top_srcdir)/lib
 AM_CXXFLAGS = $(WARNING_CXXFLAGS)
 LDADD = $(top_builddir)/spot/libspot.la \
        $(top_builddir)/buddy/src/libbddx.la \

tests/core/bricks.cc

@@ -18,8 +18,8 @@
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include "config.h"
-#include <bricks/brick-hashset>
-#include <bricks/brick-hash>
+#include <spot/bricks/brick-hashset>
+#include <spot/bricks/brick-hash>
 
 struct both
 {