Describe in docs that a server should resolve paths into appRoot
Merge pull request #77 from varya/features/subfolder-usage-docs

Describe in docs that a server should resolve paths into appRoot
Link socket.io script only if needed
Request socket.io for our dev server
Include socketIo if a server is run
Include socket.io if we are gulp-watching
Proxy socket.io parameters
Correct consition
Merge pull request #78 from varya/features/optional-socket-io

Features/optional socket io