Update sloccount plugin

- update sloccount plugin to convert xml
- add new parameters
- add plugin='sloccount' attribute
- update docstring
- update test cases

Change-Id: I74919fdd18d2d22ab07e7cd1e48df6572db8885b

tests/publishers/fixtures/sloccount-complete.xml

@@ -1,9 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <project>
   <publishers>
-    <hudson.plugins.sloccount.SloccountPublisher>
+    <hudson.plugins.sloccount.SloccountPublisher plugin="sloccount">
       <pattern>sloccount.sc</pattern>
       <encoding>latin-1</encoding>
+      <numBuildsInGraph>1</numBuildsInGraph>
+      <commentIsCode>true</commentIsCode>
+      <ignoreBuildFailure>true</ignoreBuildFailure>
     </hudson.plugins.sloccount.SloccountPublisher>
   </publishers>
 </project>

tests/publishers/fixtures/sloccount-complete.yaml

@@ -0,0 +1,7 @@
+publishers:
+  - sloccount:
+      report-files: sloccount.sc
+      charset: latin-1
+      builds-in-graph: 1
+      comment-is-code: true
+      ignore-build-failure: true

tests/publishers/fixtures/sloccount-minimal.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<project>
+  <publishers>
+    <hudson.plugins.sloccount.SloccountPublisher plugin="sloccount">
+      <pattern>**/sloccount.sc</pattern>
+      <encoding>UTF-8</encoding>
+      <numBuildsInGraph>0</numBuildsInGraph>
+      <commentIsCode>false</commentIsCode>
+      <ignoreBuildFailure>false</ignoreBuildFailure>
+    </hudson.plugins.sloccount.SloccountPublisher>
+  </publishers>
+</project>

tests/publishers/fixtures/sloccount-minimal.yaml

@@ -0,0 +1,2 @@
+publishers:
+  - sloccount

tests/publishers/fixtures/sloccount001.yaml

@@ -1,4 +0,0 @@
-publishers:
-  - sloccount:
-      report-files: sloccount.sc
-      charset: latin-1