Add autotools config

COPYING

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+
+Copyright (C) 2012 by Hampton Catlin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+
+The following files in the spec were taken from the original Ruby Sass project which
+is copyright Hampton Catlin, Nathan Weizenbaum, and Chris Eppstein and under
+the same license.

Makefile.am

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+ACLOCAL_AMFLAGS = -I m4
+
+lib_LTLIBRARIES = libsass.la
+libsass_la_SOURCES = context.cpp functions.cpp document.cpp \
+	document_parser.cpp eval_apply.cpp node.cpp \
+	node_factory.cpp node_emitters.cpp prelexer.cpp \
+	sass_interface.cpp
+libsass_la_LDFLAGS = -no-undefined -version-info 0:0:0
+
+include_HEADERS = sass_interface.h