Merge branch 'release-0.7.0' into develop
next snapshot.
added sling testing link.
media type refactor.
made some fields final.
updated adapter registration.
updated adapters again.
combined base specs and renamed for consistency.
version bump for api changes.
updated and added tests for tag spec.
new method for adding page context attributes.
updated imports.
renamed project.
readme updates.
builder update.
updated parent.
upgraded groovy version.
added additional adapter options.
added single attribute method.
renamed base spec.