changed name of refresh queue to null
Moved downloading and parsing code into network client class
Changed method name to better reflect that it's getting mapping dictionaries
Fetching the mapping dictionaries from network client
Added context to mapping dictionaries processing method
processing mapping dictionaries for profile and photo
Refactored network client to remove unnecessary variables
Handling error with no network connection
Method incorrectly named in header
Merge branch 'feature/networking_refactor' into develop