renamed country flags
renamed country flags
Merge branch 'master' of https://github.com/VitSalis/endofcodes
Configured country flags in user profile
Merge branch 'master' of https://github.com/VitSalis/endofcodes
Modified username validation rules
Added flags path in configuratin file
style
fixed conflicts with vitsalis
Renamed flags to lower case
Strlower to country shortname
Merge branch 'master' of https://github.com/VitSalis/endofcodes
fixed merged stuff with Dionyziz
Merge branch 'master' of https://github.com/dionyziz/endofcodes
Add migration script for grader.

-Create table games.
-Create table creatures.
-Create table gameusers.
-Create table roundcreatures.
Check the changes in db_schema for information about the columns.
Merge branch 'master' of https://github.com/pkakelas/endofcodes
Fix style and merge from pkakelas
Fix a stupid mistake
Finished some corrections on db_schema
Renamed some countries that were not in the country array