Version 0.9.10
Merge pull request #479 from danhyun/master

Version 0.9.10
Begin version 0.9.11.
Include .10 docs on the site.
Don't need to do this anymore.
Don't use Spring repo.
Styling for block quotes.
Include 0.9.10 docs in the site.
Remove some text shadows in the javadoc styling.
change reference to java 7 to java 8

Manual says ratpack needs java 7 but latest builds requires java 8
Merge pull request #481 from tomaslin/patch-1

change reference to java 7 to java 8
adding task to publish release binaries to bintray
fixing styles for dev error page
using ssl #483
Make publishers transformable.
Add some extra type info to stop idea complaining.
Provide method for converting a Publisher to a Promise.

Closes #488.
Minor docs.
Fix exec harness use with promise that returns null.
Avoid interim list.