Reg only server cleanup

Should fix #1336

Add database migration script for client id

Fix local game not starting properly.

Moved the RegOnlyRequirement functions out of the Database interface into the proper Server block of code.

Add more informative message on unrecognized login response

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

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

Commit to resolve requests made by @Daenyth discussed after the commit.

Merge branch 'clientid_commit_res' of ssh://github.com/woogerboy21/Cockatrice into clientid_commit_res

See https://github.com/Cockatrice/Cockatrice/pull/1340 for details.

Deck Editor layout

Moved setting files & Added code for a future portable build

See https://github.com/Cockatrice/Cockatrice/pull/1340 for details.

Client ID Generation

removed space

Ctrl + Double Click: Add card to SB

Update Client & Server ping time

README fix

Fix "Linking FAQ" url

Updated translations

Allow URL redirects for card images

Servatrice: do not disclose user emails to clients

Changed the default value for the client keep alive variable back to 1 (since that is what the setting is if the value is not found in the configuration ini file).

Updated server and client ping to 5 seconds.  Also changed hard set 1 second value on the ping timers to read values from the settings cache.