MULE-7714: Fixed JettyHttpsConnector when using different password for keyPassword and storePassword attributes.
MULE-7726: No transacted DB connector requires a connection per operation
MULE-7728: Several improvements:
- Improved message management on DefaultMessageCollection constructor.
- Improved EventCorrelator access to flow's exception strategy in order to avoid create the collected message when accessing it.
- Changed default implementation for in memory object store to avoid use a unique map generating low performance when a lot of objects are stored.
MULE-7725 - Update Maven pom information for Sonatype compliance
MULE-7729: Possible deadlock when handling concurrent requests in a transaction with more than one outbound endpoint

Added a system property to define whether the JdbcConnector will use a pool of dispatcher objects or will use a single dispatcher per endpoint. Changed default behavior to use a single dispatcher.
MULE-7739 Remove irrelevant file: local_settings.xml
MULE-7741: Add reconnection support for database connector
MULE-7728: Fix test case. Keep the test checking the SimpleMemoryObjectStore.
MULE-7741: Add reconnection support for database connector

_ Applying code review improvements
MULE-7742 Thread Safety issues in one of the constructors of default mule session.
MULE-7742 Thread Safety issues in one of the constructors of default mule session.
MULE-7620 - Removing lax from endpoint. Adding MessagingExceptionHandlerAware interface for exception handler injection
Changes to migration guide and interface documentation according to PR comments.
Migration guide fix.
Revert "MULE-7742 Thread Safety issues in one of the constructors of default mule session."

This reverts commit c25c8ae3ea02166828f7c81851ab5381286971da.
extensions test infrastructure ready. Only some unit tests missing