When logging in and receiving a reply that isn't understood, show a more informative error message.

`tr() + tr()` for better translation flexibility.

As seen in this image, you cant see where you are logged in.

How it looks now:

Syntax correction.

 * Refactored code out of common/ into servatrice/
 * added smtp client library
 * disable registration when connected
 * validate email address
 * send activation token via email

fixed welcome msg
added some articles
added database phrase to card updater
cosmetic changes to the description in edit sets

 * added missing bits of serverside code;
 * added fronted in client;
 * removed demo python scripts;

It failed if the path contained spaces.

Add dev section

add report section

`serverShutdownMessageBox` was not assigned to 0 in the ctor.

Will follow the following rules

+ send a message initially
+ send a message every 20 mins
+ send a message every min when time <= 5

Updated client popup

Updated client to close any previous popups and bring up a new one.

NEEDS TO BE TESTED

added missing include

Added delete on close

Now uses regex.
Added "."
Updated login message

updated

Relates to #964. We want to give a the correct reason for failed logins
and display the reason why.

Was an issue with double clicking the icon when the app was full screen/
fullscreen + minimized.

Now works as expected.

Previously would not open the client if the window was minimized.
Added the same popup fix for mentions

Missed from #879

I think the majority of players use this feature for
goldfishing/practicing. Defaulting to one player for convenience.