Changed the return value of method findUniqueSubjects from returning a simple...

Changed the return value of method findUniqueSubjects from returning a simple number of the #unique subjects in th Evidence DB, to an array of all unique subjects as hat list can be used for other things (like making csv files ect.)
6 jobs for master in 9 minutes and 49 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #6700
test:jdk-10:mongo-3.6

00:03:35

passed #6701
test:jdk-11:mongo-3.6

00:02:57

passed #6697
test:jdk-8:mongo-3.2

00:03:43

passed #6698
test:jdk-8:mongo-3.6

00:03:57

passed #6699
test:jdk-9:mongo-3.6

00:03:50

 
  Test Deploy
passed #6702
test:deploy

00:05:51