Fixes issue where class files are included in the all sources jar instead of java sources
Fixes issue where class files are included in the all sources jar instead of java sources
Merge branch 'fix/3.0/all-sources-jar-contains-classes' of github.com:pveentjer/hazelcast into fix/3.0/all-sources-jar-contains-classes
Merge pull request #521 from pveentjer/fix/3.0/all-sources-jar-contains-classes

Fix/3.0/all sources jar contains classes