MMS New BETA patch for writing CDF files. This allows for datatype to be specified, for all types. Once again added here for integration testing, to be moved to nasa_cdf_patch once STABLE. Updated mms_sdc_sdp_cdf_writing_2 as well to take advantage of these new functionallity and be more in line with the latest draft version (1.7) of MMS_CDF_Format_Guide. Also change the data type of "Bitmask" which is specified as CDF_UINT1 (uint8 in Matlab) and "Quality" which is specified as CDF_INT2 (int16 in Matlab) in the latest SDP_Data_Products_Guide.