css change color on note and remove border on warning

Signed-off-by: Sam Kleinman <samk@10gen.com>
DOCS-1442 getIndexStats method

Signed-off-by: Sam Kleinman <samk@10gen.com>
edits

Signed-off-by: Sam Kleinman <samk@10gen.com>
DOCS-1442: index stats edits and toc tree entry