Merge pull request #1 from pecorasilenzio/develop

Update gem file
Merge pull request #3 from pecorasilenzio/develop

Update database
update login/logout
Merge branch 'task#31' into develop
add staticpages
Merge pull request #4 from framgianguyenbui/newmodels

Newmodels
Merge branch 'develop' of https://github.com/framgia/fels_8 into develop