Branch to start getting ready for Raven 2.5

(Breaking changes in the bundles)
Remove IndexedAttachments and ClockDocs bundles

Moved to https://github.com/mj1856
Merge branch '2.5'
update assemblyinfo
Remove aspnet projects from this branch

They will be left in the 2.0 branch until they are moved elsewhere.
Update to RavenDB 2.5.2666 (stable)
target .net 4.0 client profile; emit xmldocs
Adding .Net 4.5 compatibility projects
fix typos
Update version numbers
Adding nuspec for 2.5