rewrite macro helper to use quasiquotes

replace DatomicInception with a Helper class, following the style of https://github.com/scalamacros/sbt-example-paradise210
bump version to 0.6-SNAPSHOT
minor: optimize DEntity .keySet and .toMap
Merge branch 'maintenance'

Pull in changes in maintenance branch for 0.5.1 release
Merge branch 'maintenance' into develop

Pull in updates from maintenance branch (0.5.1 release)

Conflicts:
	project/Build.scala
use latest macro-paradise 2.10.2 compiler plugin

resolve unidoc issue by removing the compiler flag!
remote obsolete compatibility file
add necessary Liftable instances for BigInt and BigDecimal
update to latest unidoc plugin
Merge branch 'develop' into topic/quasiquote

Merge in latest upstream changes.

Conflicts:
	macros/src/main/scala/datomisca/macros/DatomicInception.scala
Merge branch 'maintenance'

Pull in update for publishing to Bintray
Merge branch 'maintenance' into develop

Pull in update for publishing to Bintray

Conflicts:
	project/Build.scala
chose better names for project artifacts
introduce SchemaEntityBuilder as an alternative to Props
make use of SchemaEntityBuilder in test code
make ToDId type class more flexible

accept any type that is viewable as a Long
refactor DDatom
refactor DDatabase.datoms

stay lazy and return an iterable
support seekDatoms and entidAt
support indexRange
Merge pull request #67 from pellucidanalytics/topic/dlong-view-ToDId

improve ToDId type class
Merge pull request #68 from pellucidanalytics/topic/schema-entity-builder

introduce SchemaEntityBuilder
Merge branch 'develop' into topic/quasiquote

Pull in upstream changes from develop.