Merge pull request #3 from LaMaldicionDeMandos/groupable

Groupable
fist version running
add out/ to .gitignore
remove invalid pom tag
add examples project
generate paginator as apklib
add gen-external-apklibs to gitignore
use lib class in examples
add android support v4 to pom
add fist paginator code
create paginator colavoratos in examples
add pagitator functionality
migrate paginator colaborators to paginator project
make abstract adapter
change load to Aquery method
add placeholder on paginator
modify use o placeholder
add placeholder as xml attribute
change radioButtons to MultilineRadioGroup
migrating style to xml