Upgrading deegree webservices

From 3.4.x to 3.5.0

Changes in configuration files:

• Issue #1017/PR #1337: Requires changes to all JDBC database connection files using Apache DBCP:
  • the driverClassName changed from org.apache.commons.dbcp.BasicDataSource to org.apache.commons.dbcp2.BasicDataSource
  • the maxActive configuration option has been renamed to maxTotal
  • the maxWait configuration option has been renamed to maxWaitMillis
  • the removeAbandoned configuration option has been replaced by removeAbandonedOnBorrow and removeAbandonedOnMaintenance
• Issue #1157/PR #1441: Syntax of ehcache configuration changed
  • ehcache Migration Guide
  • XML configuration

Changes in behavior:

• Issue #1102/PR #1442: deegree no longer sends a version header by default in HTTP response.
• Issue #1494/PR #1489: for protecting deegree's REST API against un-authorized access use the HTTP header or parameter instead of the BASIC authentication