Add reshaped<>() shortcuts when returning vectors and remove the reshaping version of operator()(all)

Eigen/src/Core/util/StaticAssert.h

@@ -103,7 +103,8 @@
         STORAGE_KIND_MUST_MATCH=1,
         STORAGE_INDEX_MUST_MATCH=1,
         CHOLMOD_SUPPORTS_DOUBLE_PRECISION_ONLY=1,
-        SELFADJOINTVIEW_ACCEPTS_UPPER_AND_LOWER_MODE_ONLY=1
+        SELFADJOINTVIEW_ACCEPTS_UPPER_AND_LOWER_MODE_ONLY=1,
+        INVALID_TEMPLATE_PARAMETER=1
       };
     };