add version number to the log table #15
 add version number to the log table #15
Merge pull request #16 from eschuhmacher/master

add version number to the log table #15
increase query speed base on property value, add index on value column and partition table base on attribute_id
Merge pull request #17 from eschuhmacher/master

increase query speed base on property value, add index on value column a...
Merge branch 'master' of https://github.com/Olog/olog-service