Made some fixes to the existing Data UML diagrams
Added sample queries based on existing functions in the DataRepository.
Added modeling project for Expression Parsing, reorganized models
Merge branch 'master' of https://github.com/abb-iss/SrcML.NET
Moved the UpdateArchivesCompleted event to be raised in the same task as UpdateAsync.
Merge branch 'master' of github.com:abb-iss/SrcML.NET
Removed GENDATA and related functions.
SrcML Data Service will now subscribe to events on the SrcML Service upon instantiation.
Minor updates to expression parsing models.
Merge branch 'master' of https://github.com/abb-iss/SrcML.NET
The DirectoryScanningMonitor now raises UpdateArchivesStarted and UpdateArchivesCompleted when directories are added and removed during monitoring.
Updated SrcML Data Service to use tasks for concurrency.
Fixed data service so it will compile
Standardized the srcml & srcml data services on using Monitoring{Started,Stopped}, IsMonitoring, Update{Started,Completed}, and IsUpdating for lifecycles.
Added a global factory to the task manager.
Merge branch 'master' into release

Conflicts:
	VisualStudio/ABB.SrcML.VisualStudio.SrcMLService/SrcMLDataService.cs