Update tryout for highlighting
Merge branch 'master' of https://github.com/ayende/ravendb into Highlight_Test

Conflicts:
	Raven.Tryouts/Program.cs
Import FastVectorHighlighter from lucene and move spell checker to import folder
Fix the highlighter to return more readable string
Merge branch 'Highlight_Test' of github.com:DanielDar/ravendb into 2.01
minor
minor
RavenDB-866 Highlights missing fragments when fragment length is too long