Switch to .NET 4.5.1, use new license and shareable rules
Improve stream context data URIs, add stderr, stdout.  Introduce streaming source hydration.
Use CopyFrom pattern in templates. Introduce Safely.
Change namespaces per new corp rules.
Implement composing providers in slightly cleaner way that uses buffers. Update properties API to support Add and copying.
Add IConcreteClassProvider service indirection
Remove StreamingSources class to consolidate.  Use TextSource for xml formatting streaming source.  Update/add tests for streaming source provider criteria.
Allow getting a provider member using criteria
Add helper overloads to providers to obtain the single provider type.  Fix bug for matching provider singletons.
Remove adapter functions convention - replace with IsValidAdapter pattern.
Add untyped templates support
Housekeeping: no need to version IDE files.
Additional format strings and tests, comparisons for qualified names
Update to newer namespace version for cfbuild
Small fix to make buffer thread-safe.