update arquero: add new skills
update Celia and Cristina
update ingenieros: add new skills
update heros: aitor
Merge pull request #165 from IrisGaleano/master

add new skills, update Celia and Cristina
update resistencias: add news
change resiliens names
Merge branch 'master' of github.com:IrisGaleano/herosinatra
add new imgs
Merge pull request #167 from IrisGaleano/master

add new imgs