Fix Flyway Core vs. Maven plug-in mess

Signed-off-by: Michael Vorburger <mike@vorburger.ch>
Fix for start-up problem if WAR is NOT unpacked (relevant e.g. for upcoming Spring Boot + MariaDB4j java -jar mifos.war
Merge pull request #1080 from pramodn02/develop

recalculation test cases and some corrections
Merge pull request #1077 from vorburger/FlywayCoreInsteadMaven

Fix Flyway Core vs. Maven plug-in mess
Merge pull request #1078 from vorburger/CronMethodParserDoubleSlashProblemWithWAR

Fix for start-up problem if WAR is NOT unpacked
corrected early payment related issues