- add datalog plugin which can be used to write item status into
  different log files
- support multiple datalogs in item configuration
- remove prefix in logger messages - already added by the system itself
- change field separator from "|" to ";"
- update field separator
- add var/log/data directory for datalog plugin
- fix headline
smarthome.conf item_change_log docu
Merge branch 'develop' of github.com:mknx/smarthome into develop
item docu: autotimer
- initial implementation of SML plugin
# useful to read data from optical interface from eHZ
adding attributes to match_item
scheduler change(): better string handling for crontabs. THX walldi
- update list entry search to check also for ending OBIS code character 0xFF
- add support for 3-byte value (un)signed integers
- add SML documentation
- add link to OBIS
knx dpt 5/5.001 round(value, 1)
visu: hixie76 fix
update docu of sma-plugin to reflect new data field names / implement no_waiting option in dlms-plugin and minor fixes in modbus
dlms: use smarthome.string2bool instead of own function
dlms: update readme and add guidance for setup
Fixed creating new threads on and on

There was a major bug which caused the plugin to spawn new threads on and on until no threads were available anymore.