moved cloning in handler

Merge pull request jitsucom#124 from jitsucom/feature/119-sql_debug_logs

Feature/119 sql debug logs

removed secondary unlocks

Merge pull request jitsucom#118 from jitsucom/make-tablenaming-flexible

added replacing err in table name extracting with writing null

added clickhouse db quotes

Merge pull request jitsucom#116 from jitsucom/108-enrichment-rule

added enrichment rules

Merge pull request jitsucom#111 from jitsucom/PMF-88-logs-reminder

added version reminder in logs

Merge pull request jitsucom#109 from jitsucom/107-url-randomization

added url randomization

Merge pull request jitsucom#104 from jitsucom/rename-packages

Rename packages

Merge pull request jitsucom#106 from jitsucom/105-add-slack-notificat…

…ions

added slack notifications on server starts, panics, system errors