Merge pull request #137 from jesusOmar/dev

Test for existing skill before attempting to create
Fix an infinite loop with user table seeder

Signed-off-by: Jesus Fernandez <jesus.fndz@gmail.com>
Generate more user readable skills for users seeder

Signed-off-by: Jesus Fernandez <jesus.fndz@gmail.com>
Fix a bug with the user (talent) filter

Signed-off-by: Jesus Fernandez <jesus.fndz@gmail.com>