Failing test for JENKINS-14900.
Merge pull request #12 from davehunt/JENKINS-14900-TEST

Failing test for JENKINS-14900.

Conflicts:
	pom.xml
[JENKINS-14900] Added a test to reproduce JENKINS-14900 when flatten=true.
[FIXED JENKINS-14900] Disabled ant default excludes.
[FIXED JENKINS-18662] Added exclude filter.
[JENKINS-18662] Added tests for exclude filter.
[FIXED JENKINS-23444] Fixed inproper help texts of filter. Copyartifact doesn't fail even specified files don't really exist.
Merge pull request #42 from ikedam/feature/JENKINS-14900_Excludes

[JENKINS-14900] [JENKINS-18662] [JENKINS-23444] Fixes for filter.