ZEPPELIN-3304. Move sap module before zeppelin-distribution

### What is this PR for?
1. Move sap module before zeppelin-distribution, otherwise sap module will be built after zeppelin-distribution
2. Fix code style issue of sap module
3. Update travis to include sap module

### What type of PR is it?
[Bug Fix]

### Todos
* [ ] - Task

### What is the Jira issue?
* https://issues.apache.org/jira/browse/ZEPPELIN-3304

### How should this be tested?
* CI pass

### Screenshots (if appropriate)

### Questions:
* Does the licenses files need update? No
* Is there breaking changes for older versions? No
* Does this needs documentation? No

Author: Jeff Zhang <[email protected]>

Closes apache#2845 from zjffdu/ZEPPELIN-3304 and squashes the following commits:

533a1b0 [Jeff Zhang] ZEPPELIN-3304. Move sap module before zeppelin-distribution

Author: zjffdu

.travis.yml

@@ -37,7 +37,7 @@ addons:
 env:
   global:
     # Interpreters does not required by zeppelin-server integration tests
-    - INTERPRETERS='!hbase,!pig,!jdbc,!file,!flink,!ignite,!kylin,!lens,!cassandra,!elasticsearch,!bigquery,!alluxio,!scio,!livy,!groovy'
+    - INTERPRETERS='!hbase,!pig,!jdbc,!file,!flink,!ignite,!kylin,!lens,!cassandra,!elasticsearch,!bigquery,!alluxio,!scio,!livy,!groovy,!sap'
 
 matrix:
   include:

pom.xml

@@ -77,11 +77,11 @@
     <module>alluxio</module>
     <module>scio</module>
     <module>neo4j</module>
+    <module>sap</module>
     <module>zeppelin-web</module>
     <module>zeppelin-server</module>
     <module>zeppelin-jupyter</module>
     <module>zeppelin-distribution</module>
-    <module>sap</module>
   </modules>
 
   <properties>

sap/src/main/java/org/apache/zeppelin/sap/universe/UniverseUtil.java

@@ -188,7 +188,8 @@ && isFilter(String.format("%s]", whereBuf.toString()), text.substring(i + 1))))
         }
         if (buf.toString().toLowerCase().endsWith("where") || i == array.length - 1) {
           selectPart = false;
-          select.append(parseResultObj(resultObj.toString().replaceAll("(?i)wher$", ""), nodeInfos));
+          select.append(parseResultObj(resultObj.toString().replaceAll("(?i)wher$", ""),
+              nodeInfos));
           select.append(RESULT_END_TEMPLATE);
           continue;
         }