refactored test programs
minor change within test programs
deleted unused import statements within BulkImportClientAdaptorImpl class
deleted {CSV,TSV}FileConverter and FileConverter classes
refactored DefaultClientAdaptorImpl, AbstractClientAdaptor and BulkImportClientAdatporImpl classes
refined test programs for bulk import program
minor change within test programs
refined test helper classes
changed pom.xml
changed API of DefaultClientAdaptorImpl#getServerStatus(..)
changed test program for getServerStatus according the change 'commit 6c1c4964b18b87bf47355b91c6c28116554f83ad'
refactored test programs
modified CHANGES.txt
used surefire plugin for unit testing in parallel
added new retry method in RetryClient class
minor change within pom.xml