[PIO-146] Change TM to (R) on text marks

This is a requirement of ASF

docs/manual/data/nav/main.yml

@@ -1,10 +1,10 @@
 root:
   -
-    body: 'Apache PredictionIO™ Documentation'
+    body: 'Apache PredictionIO® Documentation'
     url: '/'
     children:
       -
-        body: 'Welcome to Apache PredictionIO'
+        body: 'Welcome to Apache PredictionIO®'
         url: '/'
   -
     body: 'Getting Started'
@@ -163,7 +163,7 @@ root:
         body: 'Using Another Data Store'
         url: '/system/anotherdatastore/'
   -
-    body: 'PredictionIO Official Templates'
+    body: 'PredictionIO® Official Templates'
     url: '#'
     children:
       -

docs/manual/source/index.html.md.erb

@@ -1,6 +1,6 @@
 ---
-title: Welcome to Apache PredictionIO™!
-description: Apache PredictionIO™ Open Source Machine Learning Server
+title: Welcome to Apache PredictionIO®!
+description: Apache PredictionIO® Open Source Machine Learning Server
 ---
 
 <!--
@@ -20,9 +20,9 @@ See the License for the specific language governing permissions and
 limitations under the License.
 -->
 
-## What is Apache PredictionIO?
+## What is Apache PredictionIO®?
 
-Apache PredictionIO is an **open source Machine Learning Server**
+Apache PredictionIO® is an **open source Machine Learning Server**
 built on top of a state-of-the-art open source stack for developers and data
 scientists to create predictive engines for any machine learning task. It lets you:
 
@@ -40,7 +40,7 @@ scientists to create predictive engines for any machine learning task. It lets y
   into your engine;
 * simplify data infrastructure management.
 
-Apache PredictionIO can be [installed](/install/) as a full machine
+Apache PredictionIO® can be [installed](/install/) as a full machine
 learning stack, bundled with **Apache Spark**, **MLlib**, **HBase**, **Spray**
 and **Elasticsearch**, which simplifies and accelerates scalable machine
 learning infrastructure management.
@@ -65,7 +65,7 @@ Foundation are on GitHub
 
 ## Licensing
 
-Apache PredictionIO is licensed under the Apache License, Version
+Apache PredictionIO® is licensed under the Apache License, Version
 2.0. See
 [LICENSE](https://github.com/apache/predictionio/blob/master/LICENSE.txt)
 for the full license text.