Added liblas formula

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

Formula/liblas.rb

@@ -0,0 +1,17 @@
+require 'formula'
+
+class Liblas <Formula
+  url 'http://trac.liblas.org/raw-attachment/wiki/1.6.0b1/libLAS-1.6.0b1.tar.gz'
+  homepage 'http://liblas.org'
+  md5 '4a08325b7daf4006e3762804d722b770'
+
+  depends_on 'cmake'
+  depends_on 'libgeotiff'
+  depends_on 'gdal'
+  depends_on 'boost'
+
+  def install
+    system "BOOST_ROOT=#{HOMEBREW_PREFIX} BOOST_INCLUDEDIR=#{HOMEBREW_PREFIX}/include cmake . #{std_cmake_parameters}"
+    system "make install"
+  end
+end