editables, subviews on left-menu and main-panel, etc... WIP
refactoring;
added onRender callback to editables;
fix some template paths;
disable some features for walkthrough;
resize panels;
remove back arrow for first info and next arrow for last info
global models on walkthrough view;
handle updates on editables;
added fileupload abstract view
save playlist and add it to the user's playlists
upload video to s3;
upload by url;
progress on upload buttons;
css animations
check if views can be overtaken by navigation;
refactoring;
renamed events next and previous
disable back and next arrows on first and last views
update info descriptions
arrows alignment
increase info text;
change avatar to logo;
round the upload avatar circle
align lateral arrow
avatar and video placeholders are clickable, enabling user to select a file
edit organization description
removed "Choose a course" from course dropdown
save course;
alert user course title and media title are empty;
removed globals;
added shake animation;
greyed disabled input fields;
refactored paginator option
align avatar
switch left menu editables to read-only mode;
enable jumping between random steps;
improve avatar upload (error handling, goto next step, show current logo, warn leaving page);
retry s3 upload if it fails
keep left menu always visible
show length of organization description;
disable submit when length reaches limit
new view to show length of an input field;
limit course description length