Fixed typo in article
NODE-129 throw an error on a bulk find with no selector
fix `utils` -> `util` typo in batch/ordered.js
fix another `utils` -> `util` typo in batch/ordered.js
Merge remote-tracking branch 'vkarpov15/typo-fix' into 1.4
Fixed information for fsync and also added section to release notes, NODE-131
Correctly use close parameter in Gridstore.write(), NODE-125
Handle error coming back with no documents, NODE-130
Allow reads from arbiter for single server connection, NODE-117
Catch error correctly in cursor when checking out a new connection
Removed read variable, using readPreference everywhere
catch error == null and make err detection more prominent, NODE-130
Throw on no op bulk, NODE-129, Updated bson to 0.2.7
Updated rc to 8
Removed references to save from docs and examples