ENH: filter for Tine 2.0
MRG: import Lars' PR for tine20
DOC: thanks Lars for the filter base and log samples
ENH: tighten regex and change failJSON to support timezone. Closes gh-583
RF: Refactor date detector and date template elements

Changes include to use Python class properties, merge some date
patterns, and change ISO8601 date template to DatePatternRegex class.
ENH: compress DateDetector templates more
TST: Fix dates in ISO8601 being converted back to local time.
Merge pull request #598 from kwirk/date-detector-template-rf

RF: Refactor date detector and date template elements
Merge pull request #593 from grooverdan/tine

ENH: Tine20 filter
BF: match up fail2ban-regex for datedetector/datetemplate changes
ENH: more datetemplate compression
Merge pull request #599 from grooverdan/datecompression

ENH: more datetemplate compression