[MWAR-313]
 - Upgrade of maven-filtering to 1.2
 - Improved IT's cause with an empty
   repository they don't work.


git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1601561 13f79535-47bb-0310-9956-ffa450edef68
[MWAR-311]
 - Fixed problem with project filtering
   verified by integration test by Evan Brodie.


git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1601568 13f79535-47bb-0310-9956-ffa450edef68