Updated build version

Added "-SNAPSHOT" to the build version to indicate that morph is
currently in development.
Updated .scala build definition
Updated DSL to use 0-based indexing
Added documentation and generator

Added sbt-site and sbt-ghpages plugins to SBT to generate Pamflet
documentation and upload it to GitHub Pages.

Wrote documentation in Pamflet format (in GitHub Flavored Markdown).