Converted all functions visible from vg_skin.h with names in CamelCaps to
use_under_scores instead, to be consistent.

Also added some missing 'extern's on function declarations in vg_skin.h.

Also added a quick note in vg_regtest.in on the simplest way to run regression
tests.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@1135 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/tests/vg_regtest.in b/tests/vg_regtest.in
index 53ce9f1..76e2d7c 100755
--- a/tests/vg_regtest.in
+++ b/tests/vg_regtest.in
@@ -35,6 +35,11 @@
 #   --all:      run tests in all subdirs
 #   --valgrind: valgrind to use.  Default is one built from this source tree.
 #
+# The easiest way is to run all tests in valgrind/ with (assuming you installed
+# in $PREFIX):
+#
+#   $PREFIX/bin/vg_regtest --all
+#
 # You can specify individual files to test, or whole directories, or both.
 # The stable-branch/dev-branch distinction allows slight differences in stderr
 # results.