Add configuration parameters for journal

[guidograzioli]

Add role parameters to configure the journal:

• Journal configuration

Variable	Description	Default
activemq_persistence_enabled	Whether to use the file based journal for persistence"	True
activemq_persist_id_cache	Whether to persist cache IDs to the journal'	True
activemq_id_cache_size	The duplicate detection circular cache size'	20000
activemq_journal_type	Journal type, valid values are [ ASYNCIO: libaio, MAPPED: mmap files, NIO: Plain Java Files ]	ASYNCIO
activemq_paging_directory	The directory to store paged messages in'	data/paging
activemq_bindings_directory	The folder in use for the bindings folder'	data/bindings
activemq_journal_directory	The directory to store the journal files in'	data/journal
activemq_large_messages_directory	The directory to store large messages'	data/largemessages
activemq_journal_datasync	Whether to use msync/fsync on journal operations'	True
activemq_journal_min_files	How many journal files to pre-create'	2
activemq_journal_pool_files	The upper threshold of the journal file pool, -1 means no Limit'	-1
activemq_journal_device_block_size	The block size by the device'	4096
activemq_journal_file_size	The size (in bytes) of each journal file'	10M
activemq_journal_buffer_timeout	The Flush timeout for the journal buffer'	500000 if 'ASYNCIO' else 3333333
activemq_journal_max_io	The maximum number of write requests that can be in the ASYNCIO queue at any one time'	4096 if 'ASYNCIO' else 1
activemq_db_jdbc_url	The full JDBC connection URL for your database server'	jdbc:derby:target/derby/database-store;create=true
activemq_db_bindings_table	The name of the table in which bindings data will be persisted'	BINDINGS_TABLE
activemq_db_message_table	The name of the table in which bindings data will be persisted'	MESSAGE_TABLE
activemq_db_large_message_table	The name of the table in which messages and related data will be persisted'	LARGE_MESSAGES_TABLE
activemq_db_jdbc_driver_class	The fully qualified class name of the desired database Driver'	org.apache.derby.jdbc.EmbeddedDriver

Also, refactor tasks fixing #10

[sabre1041]

One question

[sabre1041]

Should the filename be parameterized?

[guidograzioli]

the plan for handling that filename is to add a find task before the copy; will address in a different PR, this change only moves that part of code from systemd.yml to configure_broker.yml as per #10

[guidograzioli]

#44