Merge pull request #673 from xiajunluan/master

Add config template file for fair scheduler feature

conf/fairscheduler.xml.template

+<?xml version="1.0"?>
+<allocations>
+<pool name="production">
+    <minShare>2</minShare>
+    <weight>1</weight>
+    <schedulingMode>FAIR</schedulingMode>
+</pool>
+<pool name="test">
+    <minShare>3</minShare>
+    <weight>2</weight>
+    <schedulingMode>FIFO</schedulingMode>
+</pool>
+<pool name="data">
+</pool>
+</allocations>

core/src/test/resources/fairscheduler.xml

+<?xml version="1.0"?>
 <allocations>
 <pool name="1">
     <minShare>2</minShare>