Building igl statically and moving to the dep scripts

Fixing dep build script on Windows and removing some warnings.

Use bundled igl by default.

Not building with the dependency scripts if not explicitly stated. This way, it will stay in
Fix the libigl patch to include C source files in header only mode.

src/libigl/igl/extract_non_manifold_edge_curves.h

@@ -0,0 +1,47 @@
+// This file is part of libigl, a simple c++ geometry processing library.
+// 
+// Copyright (C) 2016 Alec Jacobson <alecjacobson@gmail.com>
+// 
+// This Source Code Form is subject to the terms of the Mozilla Public License 
+// v. 2.0. If a copy of the MPL was not distributed with this file, You can 
+// obtain one at http://mozilla.org/MPL/2.0/.
+#ifndef IGL_NON_MANIFOLD_EDGE_CURVES
+#define IGL_NON_MANIFOLD_EDGE_CURVES
+
+#include "igl_inline.h"
+#include <Eigen/Dense>
+#include <vector>
+
+namespace igl {
+    // Extract non-manifold curves from a given mesh.
+    // A non-manifold curves are a set of connected non-manifold edges that
+    // does not touch other non-manifold edges except at the end points.
+    // They are also maximal in the sense that they cannot be expanded by
+    // including more edges.
+    //
+    // Assumes the input mesh have all self-intersection resolved.  See
+    // ``igl::cgal::remesh_self_intersection`` for more details.
+    //
+    // Inputs:
+    //   F  #F by 3 list representing triangles.
+    //   EMAP  #F*3 list of indices of unique undirected edges.
+    //   uE2E  #uE list of lists of indices into E of coexisting edges.
+    //
+    // Output:
+    //   curves  An array of arries of unique edge indices.
+    template<
+        typename DerivedF,
+        typename DerivedEMAP,
+        typename uE2EType>
+    IGL_INLINE void extract_non_manifold_edge_curves(
+            const Eigen::PlainObjectBase<DerivedF>& F,
+            const Eigen::PlainObjectBase<DerivedEMAP>& EMAP,
+            const std::vector<std::vector<uE2EType> >& uE2E,
+            std::vector<std::vector<size_t> >& curves);
+}
+
+#ifndef IGL_STATIC_LIBRARY
+#  include "extract_non_manifold_edge_curves.cpp"
+#endif
+
+#endif