Make nuxeo-doc job fail if JSF taglibs build fails

09:33:36 2015-08-05 09:33:37 (1.03 MB/s) - '/home/hudson/tmp/workspace/nuxeo-doc/vdldoc-2.0.jar' saved [54623/54623]
09:33:36 
09:33:47 Exception in thread "main" java.lang.IllegalArgumentException: /home/hudson/tmp/workspace/nuxeo-doc/src/nuxeo-7.4/VDL is not a .taglib.xml file.
09:33:47 	at org.omnifaces.vdldoc.VdldocGenerator.addTaglib(VdldocGenerator.java:167)
09:33:47 	at org.omnifaces.vdldoc.Main.main(Main.java:98)
09:33:47 ##### running rsync in background
09:33:47 ######## nuxeo-7.4 end
09:33:47 + ssh nuxeo@lethe.nuxeo.com find /opt/doc/api -type d ! -perm -a+x -exec chmod a+x {} \+ ; find /opt/doc/api -type f ! -perm -a+r -exec chmod a+r {} \+
09:37:58 [description-setter] Description set: 7.4
09:37:58 No emails were triggered.
09:37:58 Finished: SUCCESS

09:51:17 ##### running rsync in background
09:51:23 Parsing nxweb-layout.taglib.xml file... Exception in thread "main" java.lang.NullPointerException
09:51:23 	at org.omnifaces.vdldoc.VdldocGenerator.parse(VdldocGenerator.java:686)
09:51:23 	at org.omnifaces.vdldoc.VdldocGenerator.createSummaryDoc(VdldocGenerator.java:385)
09:51:23 	at org.omnifaces.vdldoc.VdldocGenerator.generate(VdldocGenerator.java:239)
09:51:23 	at org.omnifaces.vdldoc.Main.main(Main.java:112)
09:51:23 ##### running rsync in background
09:51:24 ######## nuxeo-7.4 end
09:51:24 + ssh nuxeo@lethe.nuxeo.com find /opt/doc/api -type d ! -perm -a+x -exec chmod a+x {} \+ ; find /opt/doc/api -type f ! -perm -a+r -exec chmod a+r {} \+
09:54:19 [description-setter] Description set: 7.4
09:54:19 No emails were triggered.
09:54:19 Finished: SUCCESS