Deprecate oc_current_user, fix usage and move currentUser to the bundle

apps/comments/js/comments.js

apps/comments/js/comments.js.map

apps/comments/src/commentstabview.js

apps/files/js/files.js

core/js/dist/login.js

core/js/dist/login.js.map

core/js/dist/main.js

core/js/dist/main.js.map

core/js/dist/share_backend.js

core/js/dist/share_backend.js.map

core/js/js.js

core/js/sharedialogshareelistview.js

core/js/tests/specs/sharedialogshareelistview.js

core/src/OC/currentuser.js

core/src/OC/index.js

core/src/globals.js

settings/js/vue-1.js

settings/js/vue-1.js.map

settings/js/vue-2.js

settings/js/vue-2.js.map