add sharedresource module
new module: first commit
correct module "sharedresource"
+ add resource type edit:
+ add "current picture" field on form
- clear unneeded code
+ new files
* changes
- delete unneeded block
+ add resource list fuctionality (db process, forms, index)
* correct some bugs
* clear unneeded code
+ add lists and section units
* upgrade structure of DB-tables
* some corrects on "items" and "locallib"
add section view functionality
* change DB-structure
delete unneeded code
* correct resource deleting
* correct breadcrumbs
* correct types.php
* correct breadcrumbs
* change filepicker on text field for uploaded icons
* correct breadcrumbs
* correct function names
+ delete resource from section
* correct items functionality (edit form)
+ add check of existing before delete: resource of type, resource in section
* correct section output
+ add lists manage functionality
* some corrects
+ create view process for showing of Resource instance in course
+ List: add field for section count
+ add lists on course module edit form
* some corrects
+ add functionality for module deleting
* clear code