Add colorpicker gemfile and import assets

Signed-off-by: Pedro Paulo <pedro@vezza.com.br>
Add colorpicker to Reading View

signed-off-by: Thiago Kenji Okada <thiago.mast3r@gmail.com>
signed-off-by: Fellipe Souto <fllsouto@gmail.com>
Fixed colorpicker's Javascript to automatically get ID

signed-off-by: Thiago Kenji Okada <thiago.mast3r@gmail.com>
Fix indentation and cleaned code
Change colorpicker to use a input button instead of image

Visually is much better and less hacky
Added numericality validation for grade field.

signed-off-by: Pedro Scocco <pedroscocco@gmail.com>
Added unit tests for presence and numericality.

signed-off-by: Pedro Scocco <pedroscocco@gmail.com>
Fixed acceptance test for invalid grade

Signed-off-by:Pedro Bruel <pedro.bruel@gmail.com>
Added acceptance test for non numerical grade.

Signed-off-by: Daniel Miranda <danielkza2@gmail.com>
Signed-off-by: Pedro Scocco <pedroscocco@gmail.com>
Fix tests by getting id by div instead of defining it
sass-rails updated
turbolinks updated
colorize updated
tins updated
kalibro_gate_keeper_client updated
shoulda-matchers updated
net-scp updated
humans.txt updated
Footer years updated