Fix several bugs, chiefly concerning CURL operations.
        modified:   storage/connect/bson.cpp
        modified:   storage/connect/cmgfam.cpp
        modified:   storage/connect/cmgoconn.cpp
        modified:   storage/connect/cmgoconn.h
        modified:   storage/connect/colblk.h
        modified:   storage/connect/ha_connect.cc
        modified:   storage/connect/jmgfam.cpp
        modified:   storage/connect/jmgoconn.cpp
        modified:   storage/connect/jmgoconn.h
        modified:   storage/connect/json.cpp
        modified:   storage/connect/json.h
        modified:   storage/connect/mysql-test/connect/r/bson_mongo_c.result
        modified:   storage/connect/mysql-test/connect/r/json_mongo_c.result
        modified:   storage/connect/mysql-test/connect/r/mongo_c.result
        modified:   storage/connect/mysql-test/connect/r/mongo_java_2.result
        modified:   storage/connect/mysql-test/connect/r/mongo_java_3.result
        modified:   storage/connect/mysql-test/connect/std_data/Mongo2.jar
        modified:   storage/connect/mysql-test/connect/std_data/Mongo3.jar
        modified:   storage/connect/tabbson.cpp
        modified:   storage/connect/tabbson.h
        modified:   storage/connect/tabcmg.cpp
        modified:   storage/connect/tabcmg.h
        modified:   storage/connect/tabjmg.cpp
        modified:   storage/connect/tabjmg.h
        modified:   storage/connect/tabjson.cpp
        modified:   storage/connect/tabjson.h