fix missing columns in c_tool table refs BT#7204
link to edit icons
minor: code style, spaces instead of tabs
minor: code style, spaces instead of tabs
Permitir la definición de tooltips para cada herramienta
tooltips on tool icons, resize icons if larger or wider than 64px, fixed black background when resizing a png refs BT#7204
tooltips (javascript) on tool icons  BT#7204
course introduction section: added delete button for edited icons refs BT#7204
course introduction section: redirect to course home after edit o delete an icon refs BT#7204
fixed confirmation message when editing or deleting tool icon refs BT#7204
merge
Merge branch '1.9.x' of https://github.com/aragonc/chamilo-lms-icpna into 1.9.x
Merge branch '1.9.x' of https://github.com/beeznest/chamilo-lms-icpna into 1.9.x
Merge branch '1.9.x' of https://github.com/beeznest/chamilo-lms-icpna into 1.9.x
Merge branch '1.9.x' of https://github.com/beeznest/chamilo-lms-icpna into 1.9.x
Merge branch '1.9.x' of https://github.com/beeznest/chamilo-lms-icpna into 1.9.x
exercise name must not be shown when using exercise within learning path
styles, course_tools alignment
progress indicator in course
course_tools icons alignment