Move the server chapter into the operations part.
Move the server operations sources into the ops/ directory.
Reduce the information about the web ui to the bare minimum.
Update to doctools version 15 to fix a graphviz issue.
Proper passing of Monitors, as intended by the author
Fix docs spelling mistake.
Remove CypherType.isCollection
Use internal rather than scala-based heirarchy for types
Correct behaviour of merging type sets
Rename iteratedType on AnyType to legacyIteratedType

And use innerType on CollectionType
Stop TypeSet inheriting from Set[CypherType]

This allows for a more specific interface without the need to implement
all the methods of Set manipulation