NEW: JobLoggingDB into Python dictionary
NEW: PilotAgents DB to Python dictionary
FIX: updated INSERT queries to avoid unordered input parameters ( as the
tables are on a dict, the columns will be introduced on a hash-like
order )
NEW: JobDB tables as a Python dictionary
NEW: migrated StorageManagementDB schema to Python dictionary
FIX: updated docstring
FIX: BLOB field cannot have default values
Merge pull request #1589 from ubeda/v7r0_WMS_Python_tables

[V7r0] NEW: SMS & WMS DB tables in python dictionaries