jtx Board 2.3 with improved recur handling (#79)

* Including recur instances in generated ics

* Exclude recur instances from query dirty and query deleted
code format updates
removed deprecated method updateRelatedTo()

* Fixed bug in recuid handling on ical generation

* added queryRecur(...) and excluded recur instances when using query by filename

* updated getICSForCollection() to exclude unchanged recur instances

* updated minVersion for jtx Board

* Fixed:  export all from collection includes the recurring instances twice