TRPL 2.0

Shift to a DSL approach probably hosted in Scala with a cleaner syntax and compiled rule-sets.

Time tracking

Estimated time	700.00 hours

Related issues
	Feature #1745: review, decide upon and document the 1.0 features which will be retained in 2.0
	Feature #1746: design the v2.0 syntax and document as a language specification
	Feature #1747: evaluate Scala for suitability as the basis for TRPL as a DSL
	Feature #1748: map each TRPL language feature into its pure Java/Scala representation
	Feature #1750: implement any needed changes in the pattern engine/runtime, needed to support all language features
	Feature #1751: use current loader, parser, compiler as a base for a one-off conversion process to read TRPL 1.0 rule sets and emit TRPL 2.0
	Feature #1752: eliminate statics/singleton patterns in pattern engine/symbol resolver and other related classes
	Feature #1753: implement full locking/synchronization for all shared data
	Feature #1754: resolve any performance issues with new multi-threaded pattern engine implementation
	Feature #3211: implement multi-threaded pattern engine and rework the ConversionDriver to leverage it

TRPL