Initial automake and autoconf files to build core into libskia.a.

git-svn-id: http://skia.googlecode.com/svn/trunk@55 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/Makefile.am b/Makefile.am
new file mode 100644
index 0000000..f375a98
--- /dev/null
+++ b/Makefile.am
@@ -0,0 +1 @@
+SUBDIRS = src/core