check_pgactivity 2.0 rc1

2016-06-17 2.0 rc1:

• support various output format
• add output format "nagios_strict"
• add output format "debug"
• add output format "binary"
• add output format "human"
• force UTF8 encoding
• fix a bug where pod2usage couldn't find the original script
• fix wal size computation for 9.3+ (255 -vs- 256 seg of 16MB)
• fix perl warning with pg_dump_backup related to unknown database
• do not connect ot the cluster if using --dbinclude for service pg_dump_backup
• add argument --dump-status-file, useful for debugging
• add service "table_unlogged"
• add basic support to timeline cross in service archive_folder
• add service "settings"
• add service "invalid_indexes"