Log Message:
Update databases/mongo-c-driver to 1.1.2.

mongo-c-driver 1.1.2
====================
 * Process connectTimeoutMS cast insensitively
 * Addition of missing trace macros
 * Improvement of internal error messages
 * Fix a segfault in OpenSSL cleanup routines
 * Fix for IPv66 support for replica sets
 * Coalesce small vectorized TLS writes
 * MinGW fixups
 * Fix for a memory leak in get_database_names()
 * Fixes for patching write concern through the bulk api
 * Fix to normalize hostnames in uri parsing
 * Fix for managing connections in the client pool
 * Various other fixes

mongo-c-driver 1.1.0
====================
 * ABI versioning for 1.1 versus 1.0 symbols
 * additional geo index options
 * authMechanismProperties in URI
 * fixes for OS X Yosemite
 * removal of replica set member limit
 * SCRAM-SHA-1 SASL mechanism
 * updated dependency on libbson 1.1 abi
 * validation for bulk insert
 * various memory leak fixes
 * Fixes to documentation typos
 * "How to Ask For Help" in the README
 * Removed dependency on sasl for PLAIN authentication
 * Use provided username, if available, for X.509 auth
 * Fixed WriteConcern error reporting for some writes
 * Check for closed sockets before attempting RPCs
 * Fixes for gridfs file seek
 * Fixes for mongoc_cursor_clone()
 * Fixes for unix domain socket support
 * Fixes for polling on win32
 * Improved warnings on failure to connect
 * Addition of wired tiger options
 * Fixes for examples

Additions to the ABI include:
 * support for extra option in count
   - mongoc_collection_count_with_opts
 * additional index options
   - mongoc_index_opt_geo_get_default
   - mongoc_index_opt_geo_init
   - mongoc_index_opt_wt_get_default
   - mongoc_index_opt_wt_init
 * rand interface to seed and verify the strong random number generation needed
   by some auth mechanisms
   - mongoc_rand_seed
   - mongoc_rand_add
   - mongoc_rand_status
 * URI additions to support more complicated auth credentials
   - mongoc_uri_get_credentials
   - mongoc_uri_get_mechanism_properties
 * Support for cursor returning metadata crud operations
   - mongoc_client_find_databases
   - mongoc_collection_find_indexes
   - mongoc_database_find_collections
 * Kill cursor supportp
   - mongoc_client_kill_cursor
 * Various get/setters on cursor
   - mongoc_cursor_get_batch_size
   - mongoc_cursor_get_id
   - mongoc_cursor_set_batch_size
 * More socket/stream options
   - mongoc_socket_check_closed
   - mongoc_socket_inet_ntop
   - mongoc_stream_check_closed
   - mongoc_stream_write