FINERACT-796

Use Hikari instead of Tomcat Connection Pool
 - Created hikari connection pool bean
 - Configured connection parameters to match hikari
 - Removed tomcat-jdbc and dbcp
 - Remove unused classes
 - Add Hikari to logback
 - update hikaridatasource bean

closes https://issues.apache.org/jira/browse/FINERACT-796

remove hikaricp import from gradle files

more specific bean config

- Set up datasource properties
- Cleanup unused classes
- Add hikari to logback

fineract-provider/src/main/resources/META-INF/spring/jdbc.properties

@@ -20,4 +20,9 @@
 DRIVERCLASS_NAME:org.drizzle.jdbc.DrizzleDriver
 PROTOCOL:jdbc
 SUB_PROTOCOL:mysql:thin
-PORT:3306
+PORT:3306
+
+fineract_tenants_driver:org.drizzle.jdbc.DrizzleDriver
+fineract_tenants_url:jdbc:mysql:thin://localhost:3306/fineract_tenants
+fineract_tenants_uid:root
+fineract_tenants_pwd:mysql