Update `.gitignore'.

.gitignore

@@ -151,3 +151,27 @@ starpu.log
 /tools/starpu_calibrate_bus
 /tools/starpu_machine_display
 /tools/starpu_perfmodel_display
+/tools/starpu_regression_display
+/gcc-plugin/tests/scalar-tasks
+/gcc-plugin/tests/pointers
+/tests/datawizard/lazy_allocation
+/gcc-plugin/tests/pointer-tasks
+/gcc-plugin/tests/*.s
+/gcc-plugin/tests/base
+/gcc-plugin/tests/core
+/mpi/tests/insert_task_owner_data
+/mpi/examples/scatter_gather/mpi_scatter_gather
+/examples/top/hello_world_top
+/doc/starpu.aux
+/doc/starpu.cp
+/doc/starpu.cps
+/doc/starpu.fn
+/doc/starpu.fns
+/doc/starpu.html
+/doc/starpu.ky
+/doc/starpu.pdf
+/doc/starpu.pg
+/doc/starpu.toc
+/doc/starpu.tp
+/doc/starpu.tps
+/doc/starpu.vr