Replace References to "The National Map"

LICENSE.md

@@ -8,12 +8,12 @@ http://www.apache.org/licenses/LICENSE-2.0
 
 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
 
-Portions of the National Map use the following copyrighted material, the use of which is hereby acknowledged.
+Portions of NationalMap use the following copyrighted material, the use of which is hereby acknowledged.
 
 Third-Party Code
 ================
 
-National Map includes the following third-party code.
+NationalMap includes the following third-party code.
 
 ###  Cesium