Set version to 0.9.0-SNAPSHOT
Remove unused references to deprecated TagLibConfiguration

Fixes #158
Order the Jetty 9 configurations per the 9.1 spec

Fixes #157
Apply useFileMappedBuffer=false only under MS Windows

Fixes #156
Add a blocking container:launch command

Fixes #152
Add 0.9.0 release notes
Set version to 0.9.0
Merge pull request #162 from earldouglas/0.9.0

Release version 0.9.0