Minor improvements.

* Add new TLS policy `direct` as a replacement for `legacy`.
* Document that `/[command]?` prints the help of a command.
* Add option to get help via `/command help`.
* Fix `my-prof.supp` generation and tests for out-of-source builds.

Signed-off-by: Steffen Jaeckel <s@jaeckel.eu>

Makefile.am

@@ -285,7 +285,7 @@ endif
 
 TESTS = tests/unittests/unittests
 check_PROGRAMS = tests/unittests/unittests
-tests_unittests_unittests_CPPFLAGS = -Itests/
+tests_unittests_unittests_CPPFLAGS = -I$(srcdir)/tests/
 tests_unittests_unittests_SOURCES = $(unittest_sources)
 tests_unittests_unittests_LDADD = -lcmocka
 
@@ -348,7 +348,7 @@ endif
 
 .PHONY: my-prof.supp
 my-prof.supp:
-	@sed '/^# AUTO-GENERATED START/q' prof.supp > $@
+	@sed '/^# AUTO-GENERATED START/q' $(srcdir)/prof.supp > $@
 	@printf "\n\n# glib\n" >> $@
 	@cat /usr/share/glib-2.0/valgrind/glib.supp >> $@
 	@printf "\n\n# Python\n" >> $@