[Bug] Account changes unloaded

[M1L4]

[Problem]
All accounts are read when proShine starts. The information is hold in memory until client closes. Following usecases result in an irregular behaviour:

• clients a-c: running accounts
• client a: adding a new account or modifying proxy adress for one and/or many accounts
• client a: closing and
• client b-c: trying to open previous modified account, still holds old account information (no new account, or unmodified proxies)

[Description]
The inutitive behaviour would be, if account information is saved - it should be loaded when trying to connect to any of them.

[Suggestion]
Instead of initializing the account information at client startup, it could be done during the connection dialog startup. This way not much of the code had to be reworked and the result shold be about right as well.