De-concatenate agents in specimen table in db

[FedorSteeman]

Issue

Agent name must be split into first-name, middle-name/initial, last-name in db.sqlite3 'specimen' table.

[jlegind]

Agent name must be split into first-name, middle-name/initial, last-name in db.sqlite3 'specimen' table.

[jlegind]

Splitting name on the '.' period character. pip.brewer becomes firstname:pip, lastname:brewer

[FedorSteeman]

You cannot derive the agent name from the username ...

[FedorSteeman]

What needs to happen is that that the agent name elements are not concatenated when fetched from the Specify7 API during login, but kept separately.