Adding model Relationship

Signed-off-by: Rodrigo Dias Ferreira <rodrigodias@gmx.de>
Establishment of the relationship between Follower and Followed

Signed-off-by: Rodrigo Dias Ferreira <rodrigodias@gmx.de>
Adding validations of presence to relationship model

Signed-off-by: Rodrigo Dias Ferreira <rodrigodias@gmx.de>
Implementing functions follow, unfollow and following

Signed-off-by: Rodrigo Dias Ferreira <rodrigodias@gmx.de>
Adding followers relation

Signed-off-by: Rodrigo Dias Ferreira <rodrigodias@gmx.de>
Sample data to add automatically relationship data

Signed-off-by: Rodrigo Dias Ferreira <rodrigodias@gmx.de>
Adding stats

Signed-off-by: Rodrigo Dias Ferreira <rodrigodias@gmx.de>
Adding follow/unfollow button

Signed-off-by: Rodrigo Dias Ferreira <rodrigodias@gmx.de>
Implementing the following and followers pages

Signed-off-by: Rodrigo Dias Ferreira <rodrigodias@gmx.de>
Making Follow and Unfollow button to work

Signed-off-by: Rodrigo Dias Ferreira <rodrigodias@gmx.de>
Adding follow and unfollow pages + AJAX

Signed-off-by: Rodrigo Dias Ferreira <rodrigodias@gmx.de>