signup-screen: fixed line break in username field
AI2515
signup-screen: improvements in checking field
AI2515
signup-screen: improvements in field borders and deleting comments
AI2515
signup-screen: adjusts in signup field
AI2515
Fix double submission load (remove ||=)

This makes possible to move controllers' code to the model, where it
should be in first place

(ActionItem3168)
Allow centralization of images with zoomify script

(ActionItem3178)
Fix crash on rake noosfero:translations:compile

(ActionItem3179)
Ensure hidden before fadeIn()

(ActionItem3184)
Fixed text on user menu links to manage groups

On languages that "My" is not translated the same way when used
with "enterprises" and "communities", the translations were wrong.

(ActionItem3190)
Add images' classes
Merge branch 'ai3168' into 'stable'

Improve validation of submissions/answers

http://noosfero.org/Development/ActionItem3168
Merge branch 'ai3178' into 'stable'

Images looses centralization with add_zoom_to_images

http://noosfero.org/Development/ActionItem3178
Merge branch 'ai3179' into 'stable'

Fix crash on rake noosfero:translations:compile

http://noosfero.org/Development/ActionItem3179
Merge branch 'ai3184' into 'stable'

Ensure hidden before fadeIn()

http://noosfero.org/Development/ActionItem3184
Merge branch 'signup-screen' of https://gitlab.com/juniorsilva1001/noosfero into juniorsilva1001/noosfero-signup-screen
signup-page: adjust domain label box line-height to field
Hack to avoid downgrading rubygems version
Hack on config/environment to avoid downgrading rubygems version
content-viewer-controller: include relations on posts to avoid database multiple repetitive queries

ActionItem3201
blog-page: use article comments_count instead of querying the database for it

Was necessary to create a spam_comments_count in order to get the
correct count without considering spams.

ActionItem3201