Added function share_file_with_user(), class UserShare() and make use of constant OCS_SHARE_TYPE_LINK in functions.
Unittest: test_share_with_user() and test_delete_share()
Fixed not reachable code
Fix rebasing mess
Improved unit tests @ delete_share() - make use of is_shared()
is_shared() fixes
- make use of is_shared() @ test_share_with_link() and @ test_share_with_user();
- cosmetic fixes (path)
Merge branch 'fix_is_shared' into dev