Revert "revert dashboard graph with option"

This reverts commit d8333fd5bf84e45c6b5e58d00b8d9c417fc762c3.

git-svn-id: https://plugins.svn.wordpress.org/feedly-insight/trunk@872223 b8457f37-d9ea-0310-8a92-e5e31aec5664
bump 0.9.9.1

git-svn-id: https://plugins.svn.wordpress.org/feedly-insight/trunk@872224 b8457f37-d9ea-0310-8a92-e5e31aec5664