fix typo in tutorial/managed-chained-replication.txt
Minor typo: grave accent

Signed-off-by: Sam Kleinman <samk@10gen.com>
Minor typo: Too many grave accents

Signed-off-by: Sam Kleinman <samk@10gen.com>
Minor typo: missing space blank

Signed-off-by: Sam Kleinman <samk@10gen.com>
Fix broken links in `CONTRIBUTING.rst'.

Use URLs from `README.rst' that link to `docs.mongodb.org'.

Signed-off-by: Sam Kleinman <samk@10gen.com>
Typo fix 'log' -> 'long'

Signed-off-by: Sam Kleinman <samk@10gen.com>
Typo: MongoDB is a proper noun

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