Widgets: Send element to render

Signed-off-by: José Luis Di Biase <josx@interorganic.com.ar>
Widgets: Check if exsits before removing

Signed-off-by: José Luis Di Biase <josx@interorganic.com.ar>
Adding Model/Collection for live items

Signed-off-by: José Luis Di Biase <josx@interorganic.com.ar>
killing all ajax calls with live collection

Signed-off-by: José Luis Di Biase <josx@interorganic.com.ar>
Clear video: Replace Ajax call by destroying models from live collection

Signed-off-by: José Luis Di Biase <josx@interorganic.com.ar>
Clear live colletion before updating it

Signed-off-by: José Luis Di Biase <josx@interorganic.com.ar>
Replacing chain with each and clone

Signed-off-by: José Luis Di Biase <josx@interorganic.com.ar>
Merge pull request #47 from inaes-tic/filter_refactor

Filter refactor