Updating deprecation info to 0.11.0.

The 0.10.0 is going to be a rename with no functional changes, so the
deprecated methods should be supported until the 0.11.0 release.
CDK-250: Add configuration warning to RunToolMojo.
add a bit more depth to solrCell/Tika tests for popular file formats
cleanup
Update release notes for 0.9.0.
[maven-release-plugin] prepare release release-0.9.0
[maven-release-plugin] prepare for next development iteration
Update jdiff files.
fix doc issues
fix .gitignore following project rename
Revert "fix .gitignore following project rename"

This reverts commit d846d805fbdf5378a9f485d04483aa248fcc7fc2.