DOCS-1370 redirection fixes in htaccess

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

Added missing method markup.

Signed-off-by: Sam Kleinman <samk@10gen.com>
Minor: line should not be part of code-block directive

Signed-off-by: Sam Kleinman <samk@10gen.com>
Minor: missing colon on replSetReconfig command document

Signed-off-by: Sam Kleinman <samk@10gen.com>
fix typo in core/sharded-clusters.txt