Apache Migration

[Corey Stubbs]

Using this list as a collection of migration items until Jira is set up.
1. Update project module names (for publishing to maven central)
2. Update project version
3. Update package names to be org.apache.toree
4. Update docs to reflect the name toree and update code samples to use new
namespaces
5. Update license headers to remove any spark kernel/IBM references