Fix for lincense files and contrib folder during release

This patch fixes the following issues that have been experiences in 3.4.14-rc3:
- JLine license file is missing,
- jsr305 jar files is included in the release, but should be excluded,

This is going to backported to 3.5 and 3.4 branches too.

Author: Andor Molnar <andor@apache.org>

Reviewers: andor@apache.org

Closes #835 from anmolnar/fix_license_contrib_master and squashes the following commits:

bbe600f32 [Andor Molnar] jline-0.9.94 is not needed on master
206a5603a [Andor Molnar] Fix for lincese files and contrib folder during release

build.xml

@@ -799,7 +799,9 @@ xmlns:cs="antlib:com.puppycrawl.tools.checkstyle.ant">
         <fileset dir="${lib.dir}">
           <exclude name="**/ivy*.jar" />
         </fileset>
-        <fileset dir="${ivy.lib}"/>
+        <fileset dir="${ivy.lib}">
+          <exclude name="**/jsr305*.jar" />
+        </fileset>
       </copy>
 
       <subant target="package">